Tube 215
Container
Contains 1 Result:
Castleton, 1931-1940
File — Tube: 215
Identifier: X
Scope and Contents
Castleton shaft, section between Buehler and Schwarz fissures (1938)
Castleton, various vertical section maps (1931-1940)
Castleton shaft, fire protection plan (1938)
Station details and proposed changes (1937)
Triangulation system for No. 1 Castleton connection (1937)
Ultimate surface development, Castleton shaft (1935)
...
Dates:
1931-1940