Box 21
Container
Contains 23 Results:
XGE Colorado, San Miguel and Montrose Counties
File — Box: 21, Folder: 22
Scope and Contents
Little Gypsum Valley, Uranium
Dates:
1930-1989; Majority of material found within 1960-1969
XGE Colorado, Summit County
File — Box: 21, Folder: 23
Scope and Contents
Cashier Mine. Maps found with this material are located in box 68, folder 12.
Dates:
1930-1989; Majority of material found within 1960-1969
XGE Colorado, Summit and Clear Creek Counties
File — Box: 21, Folder: 24
Scope and Contents
Erie Mine - Era Tunnel, Peru Mining District
Dates:
1930-1989; Majority of material found within 1960-1969