TY  - BOOK
AU  - Haun,John D.
AU  - LeRoy,L.W.
TI  - Subsurface geology in petroleum exploration: a symposium 
PY  - 1958///
CY  - Golden, Colorado
PB  - Colorado School of Mines
KW  - Prospecting
KW  - Petroleum
KW  - Geology
KW  - Petroleum engineering
ER  -