J. Clark Salyer National Wildlife Refuge, Dam 326, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
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 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 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 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 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 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
J. Clark Salyer National Wildlife Refuge, Dam 357, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
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, 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, 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, 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, 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, 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 Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
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, 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, 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, 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 Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 7, Dres...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5A, Win...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 5, Minn...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With root in the Progressive Era, the project was adopted by New Deal propo... More
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Public domain photograph of a city streets, cityscape, urban environment, buildings, free to use, no copyright restrictions image - Picryl description
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Public domain photograph - historical image of Indiana, United States, free to use, no copyright restrictions image - Picryl description
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Public domain photograph of architecture design, diagram, drawing, building plan, free to use, no copyright restrictions image - Picryl description
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Picryl description: Public domain image, 19th-20th century drawing, American, free to use, no copyright restrictions
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Picryl description: Public domain image, 19th-20th century drawing, American, free to use, no copyright restrictions
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Picryl description: Public domain image, 19th-20th century drawing, American, free to use, no copyright restrictions
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Picryl description: Public domain image, 19th-20th century drawing, American, free to use, no copyright restrictions
Lockefield Garden Apartments, 900 Indiana Avenue, Indianapolis, Marion...
Public domain photograph - historical image of Indiana, United States, free to use, no copyright restrictions image - Picryl description
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Loleta Recreation Area, Lower Dam, 6 miles Southeast of interesection ...
See also HABS PA-5963 for related documentation. Includes photographs & written data. Significance: Constructed by the Civilian Conservation Corps between the years of 1933 and 1936. The CCC work project was i... More
John L. Lewis listens to Smith, Washington, D.C., August 7. John L. Le...
A black and white photo of a group of people sitting at a table. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Town of Penn-Craft, Penncraft, Fayette County, PA
Written data includes location maps, site plans, & floor plans. Significance: The Town of Penn-Craft was developed as part of a broad reaching effort of the New Deal era intended to relieve the dire economic ru... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
Passerelle in Lincoln Park, Spanning North Lake Shore Drive (U.S. Rout...
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret... More
Northern Cheyenne Agency, Building No. 56, 950 feet north of U.S. High...
Significance: Building 56 contributes to the significance of the Northern Cheyenne Agency. The building was part of the systematic construction and modernization program. The structure is significant because ... More
Oklahoma City Civic Center, Bounded by N. Shartel Avenue to the West, ...
Drawings 1-3 are copyright and are deposited in the field notes. Significance: The plan for the Civic Center Complex was included in the first and last completed comprehensive city plan for Oklahoma City that w... More
Crow Agency, Employee's Quarters, East of north end of Weaver Drive Cr...
Picryl description: Public domain image of a great depression era, migrant workers, free to use, no copyright restrictions.
Santa Monica City Jail, 1685 Main Street, Santa Monica, Los Angeles Co...
Significance: The Santa Monica City Hall, including the jail facility in the northwest wing, was designed in a PWA Moderne style popular in the 1930s by prominent Los Angeles architects, Joseph M. Estep and Don... More
Santa Monica City Jail, 1685 Main Street, Santa Monica, Los Angeles Co...
Significance: The Santa Monica City Hall, including the jail facility in the northwest wing, was designed in a PWA Moderne style popular in the 1930s by prominent Los Angeles architects, Joseph M. Estep and Don... More
Santa Monica City Jail, 1685 Main Street, Santa Monica, Los Angeles Co...
Significance: The Santa Monica City Hall, including the jail facility in the northwest wing, was designed in a PWA Moderne style popular in the 1930s by prominent Los Angeles architects, Joseph M. Estep and Don... More
Santa Monica City Jail, 1685 Main Street, Santa Monica, Los Angeles Co...
Significance: The Santa Monica City Hall, including the jail facility in the northwest wing, was designed in a PWA Moderne style popular in the 1930s by prominent Los Angeles architects, Joseph M. Estep and Don... More
Santa Monica City Jail, 1685 Main Street, Santa Monica, Los Angeles Co...
Significance: The Santa Monica City Hall, including the jail facility in the northwest wing, was designed in a PWA Moderne style popular in the 1930s by prominent Los Angeles architects, Joseph M. Estep and Don... More
Loleta Recreation Area, Six miles Southeast of intersection of State H...
See also HAER PA-279 for related documentation. Includes photographs & written data. Significance: Constructed by the Civilian Conservation Corps between the years of 1933 and 1936. The CCC work project was ini... More
Loleta Recreation Area, Six miles Southeast of intersection of State H...
See also HAER PA-279 for related documentation. Includes photographs & written data. Significance: Constructed by the Civilian Conservation Corps between the years of 1933 and 1936. The CCC work project was ini... More
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,...
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,...
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,...
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 Souris National Wildlife Refuge, Dam 83, Souris River Basin, Fox...
Significance: The dams within the Upper Souris National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and co... More
Upper Souris National Wildlife Refuge, Dam 83, Souris River Basin, Fox...
Significance: The dams within the Upper Souris National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and co... More
Scott-Grant House, 3238 R Street, Northwest, Washington, District of C...
Significance: This house is most notable as a mid nineteenth-century stylistically transitional house that combines the symmetrical massing of the first half of the nineteenth century with the picturesque, orna... More
Scott-Grant House, 3238 R Street, Northwest, Washington, District of C...
Significance: This house is most notable as a mid nineteenth-century stylistically transitional house that combines the symmetrical massing of the first half of the nineteenth century with the picturesque, orna... More
Scott-Grant House, 3238 R Street, Northwest, Washington, District of C...
Significance: This house is most notable as a mid nineteenth-century stylistically transitional house that combines the symmetrical massing of the first half of the nineteenth century with the picturesque, orna... More
Upper Souris National Wildlife Refuge, Dam 87, Souris River Basin, Fox...
Significance: The dams within the Upper Souris National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and co... More
Upper Souris National Wildlife Refuge, Dam 87, Souris River Basin, Fox...
Significance: The dams within the Upper Souris National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and co... More
Theodore Roosevelt Island, Potomac River, Washington, District of Colu...
See also HABS DC-28 for additional documentation, includes drawings, photographs, and written data. See also HAER VA-87, includes written data. Significance: Theodore Roosevelt Island's primary significance res... More
J. Clark Salyer National Wildlife Refuge, Dam 332, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
J. Clark Salyer National Wildlife Refuge, Dam 332, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
Chittenden Nursery Extractory, 1070 Nursery Road, Wellston, Manistee C...
Significance: Served as seed extractory and processing plant for Chittenden Nursery from 1936 to 1973. The Extractory is a unique representation of depression era architecture specifically designed for forest ... More
J. Clark Salyer National Wildlife Refuge, Dam 326, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
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 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 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 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
J. Clark Salyer National Wildlife Refuge, Dam 357, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
J. Clark Salyer National Wildlife Refuge, Dam 357, Along Lower Souris ...
Significance: The dams within the J. Clark Salyer National Wildlife Refuge represent a historical movement to preserve wildlife and wildlife habitat in the United States, which began in the mid-19th century and... More
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, 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, 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, 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, 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, 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, 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, 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 Project, Lock & Dam No. 3, Red ...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.