scholarly journals Coal resources of the United States (a progress report, October 1, 1953)

Circular ◽  
1953 ◽  
Author(s):  
Paul Averitt ◽  
Louise R. Berryhill ◽  
Dorothy A. Taylor
Keyword(s):  
United States ◽  
The United States ◽  
Progress Report ◽  
Coal Resources

A New General Soil Map of the United States: A Progress Report

1966 ◽  
Vol 30 (2) ◽  
pp. 253-255 ◽  
Author(s):  
Darrell L. Gallup ◽  
Morris E. Austin ◽  
Arnold C. Orvedal
Keyword(s):  
United States ◽  
The United States ◽  
Progress Report ◽  
Soil Map
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