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
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... More
Presidio Water Treatment Plant, Valve House, East of Lobos Creek at Ba...
Survey number: HAER CA-155-C Building/structure dates: 1910 Initial Construction
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 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
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... 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
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, 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, 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, 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
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... 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
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... 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
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, 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, 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, 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, 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, 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
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... More
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... 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
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... 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
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... More
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... 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
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... 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
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, 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
Wickiup Dam, Deschutes River, La Pine, Deschutes County, OR
Significance: Wickiup Dam and its related features are significant at the state level for their association with the development of the irrigated agricultural economy that strongly influenced the historic devel... 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 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
U.S. Naval Base, Pearl Harbor, Dry Dock No. 1, Pumpwell, By-Pass Valve...
Significance: They are located within the Pearl Harbor National Historic Landmark. Facility S17 was constructed in 1919 as the pumpwell for Dry Dock No. 1. Completed in 1942, the adjacent facility S17A is asso... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... More
Stockham Pipe & Fittings Company, 4000 Tenth Avenue North, Birmingham,...
Significance: Stockham Valves and Fittings grew from a modest early twentieth century company to become one of the world's largest producers of valves and fittings. Beginning in the mid-1920s, the firm utilize... 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
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, 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, 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, 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, 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