Geologic Map of the South Fork Area, Eastern San Juan Mountains, Southwestern Colorado; Miscellaneous Investigations Series Map I-966
Reston, VA: U.S. Geological Survey, 1976. tan envelope, 1 foldout map. very good. Item #5565624
map scale 1:48,000 DM4.
Price: $25.00
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Mining
See all items by Peter W. Lipman, Thomas A. Steven