Reflections on recent diamond-drill exploration in the Illinois coal field /

Bibliographic Details
Main Author:	Cady, Gilbert H. (Gilbert Haven), 1882-
Other Authors:	Parker, Margaret Ann
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1947.
Series:	Circular (Illinois State Geological Survey) ; 135.
Subjects:	Borings > Illinois. Coal mines and mining > Illinois. Tabulating machines.

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