Patty, Ernest N.  1894-1976. <br/><br/>
The metal mines of Washington, 
by Ernest N. Patty. 
 - Olympia,  F. M. Lamborn, Public Printer,  1921. 
 - 366 p.  illus, fold. maps, 36 plates.  23 cm. 
 - Washington (State) Geological Survey. Bulletin  no. 23 .
<br/><br/> At head of title: Washington Geological Survey ... 
<br/><br/><label>LCCN: </label>gs 22000052  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Washington (State)
<br/><br/><label>LC Class. No.: </label>QE175  / .A3 no. 23