scholarly journals The Conterminous United States Mineral Assessment Program; background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Ajo and Lukeville 1 degree x 2 degrees quadrangles, Arizona

Circular ◽  
1992 ◽  
Author(s):  
Floyd Gray ◽  
R.M. Tosdal ◽  
J.A. Peterson ◽  
D.P. Cox ◽  
R.J. Miller ◽  
...  
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