interstate highway 70

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Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

In this aerial view of the Colorado River Valley in Garfield County, Colorado, a freight train snakes along one side of the river and traffic on high-speed Interstate Highway 70 zips along the other side

In this aerial view of the Colorado River Valley in Garfield County, C...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Viaduct, approaching Glenwood Springs, Colorado. The viaduct, one of the United States' engineering marvels, was one of the last pieces of high-speed Interstate Highway 70, between Maryland and Utah, to be completed. It included construction of an upper cantilevered route for westbound lanes, attached to the narrow canyon wall

Aerial view of Glenwood Canyon and a portion of the Glenwood Canyon Vi...

Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More