Metal mining activity map of Colorado: excluding uranium and vanadium
Main Authors: | Hornbaker, A. L., Petrolium Information |
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Format: | StillImage |
Language: | English eng |
Published: |
1978
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Subjects: | |
Online Access: |
http://hdl.handle.net/11166/88233 http://archives.mountainscholar.org/cdm/ref/collection/p17393coll31/id/101 |