A worker stacks explosive charges in the powder house at the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. He wears work overalls and a cap. Fuses are wrapped...
Colorado-Big Thompson Project (U.S.)--People--1930-1950.; Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Explosives--Colorado--Grand County--1940-1950.; Interiors--Colorado--Grand County--1940-1950.
[between 1940 and 1950?]
Display a larger image and more item information when the pointer pauses over a thumbnail
Thumbnail with title
Grid with smaller thumbnails and more detail
Select the collections to add or remove from your search