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Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Haddam Neck Nuclear Power Plant, Service Building, 362 Injun Hollow Road, Haddam, Middlesex County, CT

Haddam Neck Nuclear Power Plant, Service Building, 362 Injun Hollow Ro...

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

NASA Johnson Space Center, Apollo Mission Control, 2101 NASA Parkway, Houston, Harris County, TX

NASA Johnson Space Center, Apollo Mission Control, 2101 NASA Parkway, ...

Public domain photograph related to NASA Space Program, free to use, no copyright restrictions image - Picryl description

Jet Propulsion Laboratory Edwards Facility, Control & Recording Center, Edwards Air Force Base, Boron, Kern County, CA

Jet Propulsion Laboratory Edwards Facility, Control & Recording Center...

Unprocessed Field note material exists for this structure: N199 Survey number: HAER CA-163-J

Jet Propulsion Laboratory Edwards Facility, Control & Recording Center, Edwards Air Force Base, Boron, Kern County, CA

Jet Propulsion Laboratory Edwards Facility, Control & Recording Center...

Unprocessed Field note material exists for this structure: N199 Survey number: HAER CA-163-J

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of electronic equipment, processor, control panel, technology, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Center, LCC Road, East of Kennedy Parkway North, Cape Canaveral, Brevard County, FL

Cape Canaveral Air Force Station, Launch Complex 39, Launch Control Ce...

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine... More

Jet Propulsion Laboratory Edwards Facility, Weigh & Control Building, Edwards Air Force Base, Boron, Kern County, CA

Jet Propulsion Laboratory Edwards Facility, Weigh & Control Building, ...

Unprocessed Field note material exists for this structure: N688 Survey number: HAER CA-163-N

NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Th...

Significance: The 8-Foot Transonic Pressure Tunnel was the first of Langley's wind tunnels to be built incorporating the new slotted throat tunnel design from its inception. A significant improvement over its r... More

NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Thornell Avenue, Hampton, Hampton, Virginia

NASA Langley Research Center, 8-Foot Transonic Pressure Tunnel, 640 Th...

Significance: The 8-Foot Transonic Pressure Tunnel was the first of Langley's wind tunnels to be built incorporating the new slotted throat tunnel design from its inception. A significant improvement over its r... More

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, Southeast corner of Twelfth & Vendenberg Avenues, Knob Noster, Johnson County, MO

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...

Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, Southeast corner of Twelfth & Vendenberg Avenues, Knob Noster, Johnson County, MO

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...

Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, Southeast corner of Twelfth & Vendenberg Avenues, Knob Noster, Johnson County, MO

Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...

Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... More

Bishop Creek Hydroelectric System, Control Station, Operations Building No. 1, Bishop Creek, Bishop, Inyo County, CA

Bishop Creek Hydroelectric System, Control Station, Operations Buildin...

Significance: Building 102 Control Station (formerly Operations Building #1, Control Station) was constructed as the first operations building at the control station for the Bishop Creek Hydroelectric System in... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau,...

Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memorial & Arlington National Cemetery, Washington, District of Columbia, DC

Arlington Memorial Bridge, Spanning Potomac River between Lincoln Memo...

Significance: As the final link in the chain of monuments which start at the Capitol building, the Arlington Memorial Bridge connects the Mall in Washington, DC with Arlington National Cemetery in Virginia. De... More

Haddam Neck Nuclear Power Plant, Service Building, 362 Injun Hollow Road, Haddam, Middlesex County, CT

Haddam Neck Nuclear Power Plant, Service Building, 362 Injun Hollow Ro...

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

NASA Johnson Space Center, Apollo Mission Control, 2101 NASA Parkway, Houston, Harris County, TX

NASA Johnson Space Center, Apollo Mission Control, 2101 NASA Parkway, ...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

New Haven Rail Yard, Interlocking Control Building, Vicinity of Union Avenue, New Haven, New Haven County, CT

New Haven Rail Yard, Interlocking Control Building, Vicinity of Union ...

Significance: The Interlocking Control Building is significant because its console, relays and other internal components represent an early use of centralized train control on a major railroad. The console mon... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa, Vernon County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississip...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brown County, WI

Main Street Bridge, Spanning Fox River on Main Street, Green Bay, Brow...

Significance: The Main Street Bridge is a double-leaf, Strauss Underneath Counterweight bascule bridge. It is significant as the only bridge of this type in Green Bay. With its symmetrical design including fo... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffalo County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 4, Alma, Buffal...

Significance: This lock and dam was the first constructed as part of the Upper Mississippi River Nine-Foot Channel Project. It contains the standard items on most of the lock and dam structures in this project... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, Crawford County, WI

Upper Mississippi River 9-Foot Channel, Lock & Dam No. 9, Lynxville, C...

See HAER MN-20, Upper Mississippi River Nine-Foot Channel Project History, Locks and Dams 3-10, for additional information. Significance: The Upper Mississippi River Lock and Dam Project represents one of the l... More

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of rural landscape, California, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of control panel, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of electronic equipment, processor, control panel, technology, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of electronic equipment, processor, control panel, technology, free to use, no copyright restrictions image - Picryl description

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations Building, Napa & Alden Roads, Lompoc, Santa Barbara County, CA

Vandenberg Air Force Base, Space Launch Complex 3, Launch Operations B...

Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

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