Index originally created by Henrietta Bromwell in 1933 of 31,000 items regarding biographies and portraits of politicians, miners, club women, newspaper editors, artists, businessmen, legislators, early settlers, settlements, mines, geographical...
View of the East Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Larimer County, Colorado. Shows tracks, pipes, rocks and signs that read: "U.S. Department of Interior, Bureau of Reclamation,...
Alva B. Adams Tunnel (Colo.)--1940-1950.; Larimer County (Colo.)--1940-1950.; Hydraulic facilities--Colorado--Larimer County--1940-1950.; Tunnels--Colorado--Larimer County--1940-1950.