Prater, Lewis Seward,  1915- <br/><br/>
Microscopic studies on mill products from the Pine Creek Area, Yreka Mining District, Idaho. 

 - Moscow,  University of Idaho,  1949. 
 - 2 l.  3 plates.  28 cm. 
 - Idaho. Bureau of Mines and Geology. Pamphlet,  no. 86 .
 - Idaho Bureau of Mines and Geology.  Pamphlet ;  no. 86. .
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>gs 51000056  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microscopes.<br/>Metallography.
<br/><br/><label>LC Class. No.: </label>TN24.I2  / A43 no. 86