TY  - RPRT
TI  - Macintosh computer display of the history of oil and gas exploration in the Denver basin of Colorado, Nebraska and Wyoming
AU  - D.K. Higley
AU  - K. I. Takahashi
AU  - R. F. Mast
PY  - 1990
DO  - 10.3133/ofr90321
UR  - https://pubs.usgs.gov/publication/ofr90321
ID  - ofr90321
ER  -