TY  - RPRT
TI  - The rationale for assessment of undiscovered, economically recoverable oil and gas in central and northern Arizona: Play analyses of seven favorable areas
AU  - W. C. Butler
PY  - 1988
DO  - 10.3133/ofr87450v
UR  - https://pubs.usgs.gov/publication/ofr87450V
ID  - ofr87450V
ER  -