Thorman, Charles H. <br/><br/>
Mineral resources of the Rincon wilderness study area, Pima County, Arizona. A. Geology of the Rincon wilderness study area, Pima County, Arizona / 
by Charles H. Thorman and Harald Drewes. B. Mines, prospects, and mineralized areas of the Rincon wilderness study area, Pima County, Arizona / by Michael E. Lane 
 - Washington :  United States Government Printing Office,  1981 
 - 62 p., 2 fold leaves of plates (in pocket) :  ill. ;  23 cm. 
 - Geological Survey bulletin ;  1500 .
 - Studies related to wilderness .
<br/><br/> Cover title: Rincon area, Pima County, Arizona 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Rincon Wilderness Area--Arizona
<br/><br/><label>Dewey Class. No.: </label>553.0979177