TY  - BOOK
AU  - Cady,Gilbert H.
ED  - Ohio.
TI  - A program of activities and research in coal geology
T2  - Information circular
AV  - QE151 .A183 no. 10
PY  - 1952///
CY  - Columbus
PB  - State of Ohio, Dept. of Natural Resources, Division of Geological Survey
KW  - Coal
KW  - Ohio
KW  - Coal mines and mining
N1  - Includes bibliographical references (p. 55)
ER  -