Lehigh Canal, Guard Lock 8 & Lockhouse, Island Park Road, Glendon, Nor...
Significance: 22 feet by 100 feet guard lock constructed in 1829 by the Lehigh Coal and Navigation Company. The first of now three locks in the 2.5 mile Section Eight between the Chain Dam and the outlet lock ... More
Illinois Power Company, Marseilles Hydro-electric Plant, North bank of...
Significance: Built as part of the expansion of the Illinois Traction System, the Marseilles Hydro-Electric Plant still has three of the original (1912) generator-turbine units in place. Survey number: HAER IL... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Warrior Ridge Dam, Spanning Frankstown Branch of Juniata River, Peters...
Significance: The Ambursen Hydraulic Construction Company, a major dam builder in the United States in the early twentieth century, designed and built the dam. As one of the earliest examples of a covered vers... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Warrior Ridge Dam, Spanning Frankstown Branch of Juniata River, Peters...
Significance: The Ambursen Hydraulic Construction Company, a major dam builder in the United States in the early twentieth century, designed and built the dam. As one of the earliest examples of a covered vers... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
Warrior Ridge Dam, Spanning Frankstown Branch of Juniata River, Peters...
Significance: The Ambursen Hydraulic Construction Company, a major dam builder in the United States in the early twentieth century, designed and built the dam. As one of the earliest examples of a covered vers... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
United States Nitrate Plant No. 2, Reservation Road, Muscle Shoals, Mu...
Significance: Production of Ammonium Nitrate. / Built as a war measure for the production of ammonium nitrate, a key component in high explosives, U.S.N.P. No. 2 became one of the largest plants of its kind wit... More
Abbeville Hydroelectric Power Plant, State Highway 284 & County Road 7...
Significance: J. Roy Pennell acquired property and began construction of the multiple arch reinforced concrete dam in 1933. Pennell abandoned the project in 1935 and it was completed by the City of Abbeville w... More