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Box 20b

 Container

Contains 5 Results:

XGE Colorado, Park County

 File — Box: 20b, Folder: 1
Scope and Contents Treasure Vault Area, Alma Mining District
Dates: 1930-1989; Majority of material found within 1960-1969

XGE Colorado, Park County

 File — Box: 20b, Folder: 2
Scope and Contents Property Investigations
Dates: 1930-1989; Majority of material found within 1960-1969

XGE Colorado, Pitkin County

 File — Box: 20b, Folder: 3-4
Scope and Contents Thompson Creek Coal Mine, North American Resources Corp.
Dates: 1930-1989; Majority of material found within 1960-1969

XGE Colorado, Pitkin County

 File — Box: 20b, Folder: 5
Scope and Contents Thompson Creek Coal Mine, Preliminary Feasibility Study
Dates: 1930-1989; Majority of material found within 1960-1969

XGE Colorado, Pitkin County

 File — Box: 20b, Folder: 6
Scope and Contents "Evaluation of the Thompson Creek Coking Coal Reserves and Their Amenability to Longwall Mining Methods for the North American Resources Corp." and "Ten Year Projection 1971-1980 Inclusive, Thompson Creek Operations of North American Resources Corp."
Dates: 1930-1989; Majority of material found within 1960-1969