TY - RPRT TI - Plays for assessment in Region VII, Mid-Continent as of October 4, 1993; 1995 National Assessment of oil and gas AU - D. L. Gautier AU - K. L. Varnes PY - 1993 DO - 10.3133/ofr93596g UR - https://pubs.usgs.gov/publication/ofr93596G ID - ofr93596G ER -