Data Base for a National Mineral-Resource Assessment of Undiscovered Deposits of Gold, Silver, Copper, Lead, and Zinc in the Conterminous United States

1996 ◽  
Author(s):  
S.D. Ludington ◽  
D.P. Cox ◽  
R.B. McCammon

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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