TY  - RPRT
TI  - Plays for assessment in Region IV, Rocky Mountains and Northern Great Plains 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/ofr93596d
UR  - https://pubs.usgs.gov/publication/ofr93596D
ID  - ofr93596D
ER  -