U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Free Library of Philadelphia, Lehigh Avenue Branch, 601 West Lehigh Av...
Significance: Completed in 1906, the Lehigh Branch of the Free Library of Philadelphia was one of the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropist An... More
U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, All...
Significance: Named after the president of the Pennsylvania Railroad and early financial backer of the enterprises, was the first integrated Bessener steel works constructed in the Pittsburgh district by Andrew... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Free Library of Philadelphia, West Philadelphia Branch, 201 South 40th...
Significance: Completed in 1906, the West Philadelphia Branch of the Free Library of Philadelphia was the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropis... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Free Library of Philadelphia, Lehigh Avenue Branch, 601 West Lehigh Av...
Significance: Completed in 1906, the Lehigh Branch of the Free Library of Philadelphia was one of the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropist An... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Free Library of Philadelphia, Lehigh Avenue Branch, 601 West Lehigh Av...
Significance: Completed in 1906, the Lehigh Branch of the Free Library of Philadelphia was one of the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropist An... More
Free Library of Philadelphia, Lehigh Avenue Branch, 601 West Lehigh Av...
Significance: Completed in 1906, the Lehigh Branch of the Free Library of Philadelphia was one of the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropist An... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Free Library of Philadelphia, Lehigh Avenue Branch, 601 West Lehigh Av...
Significance: Completed in 1906, the Lehigh Branch of the Free Library of Philadelphia was one of the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropist An... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, All...
Significance: Named after the president of the Pennsylvania Railroad and early financial backer of the enterprises, was the first integrated Bessener steel works constructed in the Pittsburgh district by Andrew... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More
U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, All...
Significance: Named after the president of the Pennsylvania Railroad and early financial backer of the enterprises, was the first integrated Bessener steel works constructed in the Pittsburgh district by Andrew... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Free Library of Philadelphia, West Philadelphia Branch, 201 South 40th...
Significance: Completed in 1906, the West Philadelphia Branch of the Free Library of Philadelphia was the first of twenty-five branch libraries built through an endowment from industrialist-turned-philanthropis... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Dungeness, Cumberland Island, Saint Marys, Camden County, GA
Significance: Built as the Carnegie family's "retreat" and for their entertaining. Cumberland Island, Georgia's largest barrier island, has a long history entwined with its many different inhabitants. Evidence ... More
Baltimore & Ohio Railroad, Parkersburg Bridge, Ohio River, Parkersburg...
Significance: Completed in 1871, the Parkersburg Bridge was an important early work of Jacob Linville and incorporated several of his patented innovations. The original channel spans (approximately 348 feet) w... More