TY  - RPRT
TI  - Miocene cooling in the southwestern Powder River basin, Wyoming: Preliminary evidence from apatite fission-track analysis
AU  - Nancy D. Naeser
PY  - 1992
DO  - 10.3133/b1917o
UR  - https://pubs.usgs.gov/publication/b1917O
ID  - b1917O
ER  -