Mississippi River 9-Foot Channel Project, Lock & Dam No. 16, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 11, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 11, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 11, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 11, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... 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
Locks & Dam No. 15, Locks Operator's Shelter House, Arsenal Island, Up...
Significance: The U.S. Army Corps of Engineers' 1927-1940 Upper Mississippi River 9-Foot Channel Project changed the free-flowing river into an intra-continental canal, regulated and controlled for the promotio... 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
Mississippi River 9-Foot Channel Project, Lock & Dam No. 13, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 13, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, ...
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, ...
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, ...
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, ...
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26, Alton, ...
Significance: The Upper Mississippi River Nine-Foot Channel Project represents one of the largest and most ambitious river improvement projects ever constructed in the United States. The project's origins date... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Upper Mississippi River Nine-Foot Channel Project, Lock & Dam Complex ...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River Nine-Foot Channel Project, Lock & Dam Complex ...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 27, Granite...
Significance: ...Lock and Dam No. 27 constitute additions to the original Upper Mississippi Nine-Foot Channel Project, constructed after World War II. Lock No. 27, located on the Chain of Rocks Canal, provided... 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, 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 a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Public domain photograph of ferry, steam boat, free to use, no copyright restrictions image - Picryl description
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Public domain photograph - historical image of Mississippi, United States, free to use, no copyright restrictions image - Picryl description
Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 3, Red ...
Public domain photograph of train tracks, railroad works, free to use, no copyright restrictions image - Picryl description
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, 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. 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. 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
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 Nine-Foot Channel Project, Lock & Dam Complex ...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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. 10, Guttenberg,...
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
Mississippi River 9-Foot Channel Project, Lock & Dam No. 16, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 14, Upper Mississippi...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Mississippi River 9-Foot Channel Project, Lock & Dam No. 17, Upper Mis...
Significance: The U.S. Army Corps of Engineers Nine-Foot Channel Project (1927-1940) represents the culmination of a 100-year effort to improve the navigability of the Upper Mississippi River between the mouth ... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More
Upper Mississippi River 9-Foot Channel Project, Lock & Dam 26R, Alton,...
Significance: ...Lock and Dam NO. 26R constitute the first replacements of an original element of the Nine-Foot Channel Project. The new installation will replace Lock and Dam No. 26, located two miles upstrea... More