TY  - RPRT
TI  - Geologic controls of deep natural gas resources in the United States
AU  - Dudley D. Rice
AU  - P. A. Westcott
PY  - 1997
DO  - 10.3133/b2146
UR  - https://pubs.usgs.gov/publication/b2146
ID  - b2146
ER  -