Stanley R. Mickelsen Safeguard Complex, Cooling Tower, In Limited Acce...
Significance: The tower provided cooling water to the Perimeter Acquisition Radar Power Plant during normal surveillance operations. Survey number: HAER ND-9-S Building/structure dates: 1972 Initial Construction
Croton Hydroelectric Plant, Dam, Croton Dam Road at Muskegon River, Cr...
Significance: The earth embankment dam at the Croton Hydroelectric Plant is an innovative design feature of this complex designed by William G. Fargo, a Jackson, Michigan civil engineer who specialized in desig... more
Shaker Church Family Firehouse & Powerhouse, Shaker Village Road, Cant...
Survey number: HABS NH-182 Building/structure dates: 1908 Initial Construction Building/structure dates: 1910 Subsequent Work
SWEPCO Park, 1600 Patzman Street, Shreveport, Caddo Parish, LA
Entry 2017 HALS Challenge: Documenting City or Town Parks Significance: The historic importance of the SWEPCO Park, established in 1969, is rooted in the layers of activity and events that have occurred within ... more
Power Plant, Haul Road, Saint Paul, Aleutians West Census Area, AK
Survey number: HABS AK-216
Garrison Dam, Intake House, 597 Garrison Dam Road, Riverdale, McLean C...
Significance: The intake house was built to take water in from Lake Sakakawea and conduct it to the powerhouse (HAER ND-15-A) via penstocks and surge tanks (HAER ND-15-B). The intake house maintained trash rack... more
Garrison Dam, Spillway, State Route 200 at Missouri River, Riverdale, ...
Significance: The spillway was built to release excess water from Lake Sakakawea whenever high water threatens to overtop and destroy Garrison Dam. Unprocessed Field note material exists for this structure: N1... more
Snoqualmie Falls Hydroelectric Project, Elevator House, .5 mile north ...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... more
Buffalo Cotton Textile Mill, Power Plant, S.C. Route 215, Buffalo, Uni...
Survey number: HAER SC-19-A
Estate Whim, Overhead Crank Steam Engine & Cane Mill, Centerline Road,...
Survey number: HABS VI-49-C
Swan Falls Dam, Restroom, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... more
Naval Power Plant, Bartlett Boulevard, Saint Paul, Aleutians West Cens...
Survey number: HABS AK-220
Faraway Ranch, Generator House, Willcox, Cochise County, AZ
Survey number: HABS AZ-139-J
Garrison Dam, Project Administration Building, 201 1st Street, Riverda...
Significance: The Project Administration Building was built to supply office space for staff managing the construction of Garrison Dam, and it serves as administrative offices for the dam today. Its symmetrical... more
Garrison Dam, Switchyard, 597 Garrison Dam Road, Riverdale, McLean Cou...
Field notes for HAER ND-15-A, Garrison Dam Powerhouse, include information about the switchyard. Significance: The switchyard provides generator and line protection, voltage and and amperage monitoring, and pow... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Garrison Dam, Powerhouse, 597 Garrison Dam Road, Riverdale, McLean Cou...
Significance: The powerhouse was built to generate electrical power via hydroelectric turbines and generators, using the water impounded in Lake Sakakwea as its energy source. The electricity feeds into the Wes... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Swan Falls Dam, House, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... more
Pennsylvania-New Jersey Interconnection Bushkill to Roseland Transmiss...
Significance: The creation of the 210-mile-long transmission line known as the Pennsylvania-New Jersey Interconnection (PNJ) was a significant step in the extension of efficient and reliable electrical supply t... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Garrison Dam, Powerhouse, 597 Garrison Dam Road, Riverdale, McLean Cou...
Significance: The powerhouse was built to generate electrical power via hydroelectric turbines and generators, using the water impounded in Lake Sakakwea as its energy source. The electricity feeds into the Wes... more
Swan Falls Dam, House, Snake River, Kuna, Ada County, ID
For written descriptive information, see narrative report on Swan Falls Dam, HAER ID-20. Significance: Swan Falls Dam was the first hydroelectric dam on Snake River in Idaho, and one of the earliest built in th... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Pennsylvania-New Jersey Interconnection Bushkill to Roseland Transmiss...
Significance: The creation of the 210-mile-long transmission line known as the Pennsylvania-New Jersey Interconnection (PNJ) was a significant step in the extension of efficient and reliable electrical supply t... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Bloede Dam, Spanning Patapsco River, Avalon, Baltimore County, MD
Significance: In 1907, the Patapsco Electric and Manufacturing Company contracted Ambursen Hydraulic Construction Company to build the Bloede Dam using Nils F. Ambursen's patent. The proposed dam would generate... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more
Columbia Canal & Power Plant, Waterfront of Broad River, Columbia, Ric...
Significance: Designed to enable the navigation of the Broad and Congaree Rivers at their confluence in Columbia, the canal was completed in 1824 and enlarged in 1891; the 1891 portion of the canal is the signi... more