A brief review of the geology of the San Juan region of southwestern Colorado
- Whitman Cross, Esper S. Larsen Jr.
Additional Publication Details
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- USGS Numbered Series
- A brief review of the geology of the San Juan region of southwestern Colorado
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- U. S. Govt. print. off.,
- 138 p. :16 pl. (part fold. incl. maps (2 in pocket) diagrs. ;23 cm.