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