Koch, George S. <br/><br/>
Lode mines of the central part of the Granite mining district, Grant County, Oregon. / 
By George S. Koch, Jr. 
 - Portland,  1959. 
 - 49 p. :  ill., maps (3 fold. in pocket) ;  28 cm. 
 - Oregon.  Dept of Geology and Mineral Industries.  Bulletin  no. 49 .
 - Oregon.  Department of Geology and Mineral Industries.  Bulletin ;  no. 49. .
<br/><br/>Bibliography : p. 48-49. 
<br/><br/><label>LCCN: </label>gs 59000229  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Oregon--Grant County.
<br/><br/><label>LC Class. No.: </label>QE155  / .A3 no. 49 
<br/><br/><label>Dewey Class. No.: </label>553.413