TY  - BOOK
AU  - De Long,Richard M.
ED  - Ohio.
TI  - The Pittsburgh no. 8 and Redstone no. 8A coal beds in Ohio
T2  - Report of investigations
AV  - QE151 .A186 no. 26
PY  - 1955///
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. 48-49)
ER  -