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Examination, mapping, and sampling of mine shafts and underground workings, Leadville, Lake County, Colo.
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Published Year
1940-1949 (1)
Subject
Mine shafts (1) *
Mines and mineral resources--Colorado--Leadville Region (1)
Mines and mineral resources--Colorado--Leadville region (1)
Author
Ebbley, Norman E. (1) *
