Marysville Covered Bridge, Seneca Creek, West of SR 633, 4.8 miles Sou...
Significance: One of less than 10 covered bridges in the State, the Marysville Covered Bridge is a representative example of a Multiple Kingpost truss. Survey number: HAER VA-20 Building/structure dates: ca. ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Hacienda Mercedita Foundry, Sabanetas, Ponce Municipio, PR
Significance: A significant part of the Serralles family empire. Typical of the sugar cane plantations in Puerto Rico which underwent considerable technological change and became a full-mechanized producer of ... More
Baltimore & Ohio Railroad, Mount Royal Station, Baltimore, Independent...
Significance: When it opened in 1896, the Mount Royal Station was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the north end of the ... More
Baltimore & Ohio Railroad, Mount Royal Station, Baltimore, Independent...
Significance: When it opened in 1896, the Mount Royal Station was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the north end of the ... More
Baltimore & Ohio Railroad, Mount Royal Station, Baltimore, Independent...
Significance: When it opened in 1896, the Mount Royal Station was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the north end of the ... More
Baltimore & Ohio Railroad, Mount Royal Station, Baltimore, Independent...
Significance: When it opened in 1896, the Mount Royal Station was one of the best examples of the harmonious blending of engineering and aesthetic values in an urban environment. Sited at the north end of the ... More
New York & Mahopac Railroad, Bridge L-158, Schoolhouse Road, Goldens B...
Significance: The development of the metal truss bridge in America largely paralleled the needs of the railroads, and the through-truss double-intersection form patented by Squire Whipple in 1846 and modified b... More
New York & Mahopac Railroad, Bridge L-158, Schoolhouse Road, Goldens B...
Significance: The development of the metal truss bridge in America largely paralleled the needs of the railroads, and the through-truss double-intersection form patented by Squire Whipple in 1846 and modified b... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Baltimore & Ohio Railroad, Rail Rolling Mill, Elm Street & Locust Alle...
Significance: With the inexhaustible supply of coal and the eventual juncture of the route to Pittsburgh with the mainline at Cumberland, the B & O though significant economics were available by producing rails... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More
Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street,...
Significance: The Huntington Beach Municipal Pier is locally important because it was constructed for the express purpose of establishing the city of Huntington Beach as a West Coast resort community. As such,... More