A man carries a dynamite crate into a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; drainage pipes and rail tracks line the bore.
Clear Creek County (Colo.)--1940-1950.; Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
A man works in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado. Shows a steam shovel and a dump truck. Letters read: "Ed. H. Honnen Construction Co."
Construction workers--Colorado--1940-1950.; Dump trucks--Colorado--1940-1950.; Excavation--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Steam shovels--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; sticks of dynamite are in holes, and water covers the floor.
Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; they attach fuses to dynamite, and water covers the floor.
Clear Creek County (Colo.)--1940-1950.; Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Interiors--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Men in hard hats place dynamite in a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; modular pipe shoring is by a dynamite crate with letters: "DuPont."
Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Interior view of a highway tunnel under construction on Highway 6 in Jefferson County or Clear Creek County, Colorado; a surveyor's transit and tripod are below frame shoring.
View of the entrance to a highway tunnel under construction on Highway 6 in Jefferson County or Clear Creek County, Colorado; a man stands under frame shoring.
View of a tunnel portal and dump associated with the construction of Highway 6 beside Clear Creek in Jefferson or Clear Creek County, Colorado. A dirt road snakes around the rocky landform. Equipment sits outside the tunnel entrance.
Clear Creek (Clear Creek County, Colo.)--1940-1950.; Road construction--Colorado--1940-1950.; Streams--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
An engineer looks through a theodolite in the interior of a tunnel as he works on the proposed Loveland Pass tunnel project in Summit or Clear Creek County, Colorado. The man wears a heavy plaid wool jacket, hat, and glasses. Pipes run along the...
Men work in a tunnel excavated for Highway 6 in Jefferson or Clear Creek County, Colorado. They wear work clothes, hard hats, and electric mine lamps. Ankle deep water fills the cavern. Explosives are placed in holes that are drilled in the rock...
Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Highway construction--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
[between 1940 and 1950?]
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