TY - RPRT TI - Oil and gas resource assessment areas, 1992: Lower 48 states AU - G.L. Dolton AU - K. L. Varnes AU - D. L. Gautier AU - J. K. Baird PY - 1992 DO - 10.3133/ofr92696 UR - https://pubs.usgs.gov/publication/ofr92696 ID - ofr92696 ER -