TY  - BOOK
AU  - Shannon,Charles William
AU  - Cooper,Chalmer L.
TI  - Coal in Oklahoma,
T2  - Oklahoma. Geological survey. Bulletin
AV  - QE153 .A2 no. 4
PY  - 1926///
CY  - Norman
KW  - Coal
KW  - Oklahoma
KW  - Geology
N1  - Plates XII-XIV, XVI-XXIII (fold. maps) in pocket
ER  -