Fischer, Richard Philip,  1910- <br/><br/>
Interpreting pan-concentrate analyses of stream sediments in geochemical exploration for gold, 
by R. P. Fischer and F. S. Fisher. 
 - Washington,  1968. 
 - iii, 9 p.  illus., map.  26 cm. 
 - United States. Geological Survey. Circular  592 .
 - Geological Survey circular ;  592. .
<br/><br/><label>LCCN: </label>gs 68000381  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold ores--San Juan Mountains.<br/>Geochemical prospecting.
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 592 
<br/><br/><label>Dewey Class. No.: </label>622/.18/41