TY  - RPRT
TI  - Obsidian hydration dating and correlation of Bull Lake and Pinedale Glaciations near West Yellowstone, Montana
AU  - Kenneth L. Pierce
AU  - J. Obradovich
AU  - Irving Friedman
PY  - 1976
DO  - 10.1130/0016-7606(1976)87<703:ohdaco>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70210759
ID  - 70210759
ER  -