Interior view of the powder house at the West Portal site of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Big Thompson project in Grand County, Colorado. A man wears a hat and sorts the explosive primers. The boxes read: "Hercules Powder" and "Hercules Blasting Cap, Handle Carefully."
Date
[between 1940 and 1942?]
Notes
Accession number: 88.442.307; History Colorado.; Inked on negative reads: "3155."; Title and: "3155" penciled on negative envelope.; R7200058673
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Employees--Colorado--Grand County--1940-1950.; Explosives--Colorado--Grand County--1940-1950.; Interiors--Colorado--Grand County--1940-1950.
