Steven, Thomas August, 1917-

Mineral resources of the La Garita Wilderness, San Juan Mountains, southwestern Colorado : an evaluation of the mineral potential of the area / by Thomas A. Steven and C. L. Bieniewski ; with a section on geophysical interpretation by Gordon P. Eaton - Washington, D.C. : United States Geological Survey, 1977 - vi, 65 p. : ill. (2 fold. in pocket) ; 24 cm. - Studies related to wilderness-wilderness areas . - Geological survey bulletin ; 1420 .


Mines and mineral resources--Colorado--La Garita Wilderness
Mineral resources

553.0978838