Significant Deposits of Gold, Silver, Copper, Lead, and Zincin the United States

2000 ◽  
Vol 95 (3) ◽  
pp. 629-644
Author(s):  
K. R. Long ◽  
J. H. DeYoung ◽  
S. Ludington
2004 ◽  
Vol 13 (3) ◽  
pp. 201-207 ◽  
Author(s):  
Richard B. McCammon ◽  
David H. Root ◽  
Paul G. Schruben

1970 ◽  
Vol 5 (2) ◽  
pp. 184-190 ◽  
Author(s):  
Erwin Mantei ◽  
Ernst Bolter ◽  
Zuhair Al Shaieb

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