TY  - RPRT
TI  - Geophysical log signatures of lower Tertiary and upper Cretaceous rocks in the Powder River Basin, Wyoming and Montana
AU  - David A. Seeland
AU  - J.K. Hardie
AU  - A. B. Gibbons
AU  - E. A. Johnson
AU  - L.R. Biewick
AU  - M.W. McLellan
AU  - C. L. Molnia
AU  - F. W. Pierce
PY  - 1993
DO  - 10.3133/oc140
UR  - https://pubs.usgs.gov/publication/oc140
ID  - oc140
ER  -