Differential shrinkage of coal beds in Illinois

Call Number: 
MS Cady, G.H. #44
Author: 
Cady, Gilbert Haven,
Date: 
1919
Description: 
32 p.
Notes: 

Specific data on various mines in Illinois coal fields;
Cited in Circular 201, "Unpublished Reports on Open File";

Keywords: 

Coal
Shrinkage

 

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