Geologic map of the Hellier quadrangle, Kentucky-Virginia and part of the Clintwood quadrangle, Pike County, Kentucky

10.3133/gq950 ◽  
1971 ◽  
Keyword(s):  
1976 ◽  
Author(s):  
Charles L. Rice ◽  
R.G. Ping ◽  
J.L. Barr
Keyword(s):  

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