scholarly journals Mineral resources of study areas contiguous to the Uncompahgre Primitive Area, San Juan Mountains, southwestern Colorado

1977 ◽  
1973 ◽  
Author(s):  
Thomas August Steven ◽  
P.W. Lipman ◽  
F.S. Fisher ◽  
C.L. Bieniewski ◽  
H.C. Meeves ◽  
...  

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