| | Report (volume) | Mineral Resources of the San Juan Primitive Area, Colorado By T. A. STEVEN and L. J. SCHMITT, JR., U.S. GEOLOGICAL...Juan and the Upper Rio Grande primitive areas, Colorado. The area discussed in the report corresponds...of the Animas River._____________ Runlett Park-Cave Basin area....______________________ Mineralized fault...Creek-Emerald Lake area._____________________________ Cave Basin area_______________________________________________...___-__--_____-____-___-_ In pocket FIGURE 1. Index map of Colorado, showing area of this report_______-_. F3 2-11 | | | Report (issue) | Petrology of the San Juan Region Southwestern Colorado By ESPER S. LARSEN, JR., and WHITMAN CROSS GEOLOGICAL...an area of I2fiOO square miles in southwestern Colorado UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...San Juan Mountains Quadrangle Field work Workers La Plata (folio 60)-.. 1896-97 Whitman Cross, assisted...GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, COLORADO vard University contributed liberally by financing...GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, COLORADO Pre-Cambrian rocks Continued Granitic rocks Continued |
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