Geology and coal deposits of the Dugger quadrangle, Sullivan County, Indiana

1954 ◽  
2017 ◽  
Vol 12 (38) ◽  
pp. 144-152
Author(s):  
P.V. Katyshev ◽  
◽  
V.E. Kislyakov ◽  
Keyword(s):  

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