TY  - BOOK
AU  - Root,Towner Bowditch
TI  - The oil and gas resources of the Ava-Campbell Hill area,
AV  - TN872.I3 R6
PY  - 1928///
CY  - Urbana, Ill.
PB  - Printed by authority of the state of Illinois
KW  - Petroleum
KW  - Illinois, Southwestern
KW  - Natural gas
N1  - At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey
ER  -