TY - RPRT TI - Plays for assessment in Region III, Colorado Plateau and Basin and Range 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/ofr93596c UR - https://pubs.usgs.gov/publication/ofr93596C ID - ofr93596C ER -