Krumlauf, Harry Eugene,  1901- <br/><br/>
Exploration and development of small mines. 

 - Tucson,  University of Arizona,  1954. 
 - 34 p.  illus., tables. 
 - Arizona. [State] Bureau of Mines. Bulletin  no. 164 Mineral technology series,  no. 48 University of Arizona bulletin,  v. 25, no. 1 .
 - University of Arizona.  State Bureau of Mines.  Bulletin ;  164. .
<br/><br/><label>LCCN: </label>gs 54000317  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering.
<br/><br/><label>LC Class. No.: </label>TN153  / .K7 
<br/><br/><label>Gov. Doc. Class. No.: </label>MN 1.3:B 85/164