TY  - RPRT
TI  - Geologic map of the Grassy Lake Reservoir quadrangle, Yellowstone National Park and vicinity, Wyoming
AU  - Robert L. Christiansen
PY  - 1978
DO  - 10.3133/gq1459
UR  - https://pubs.usgs.gov/publication/gq1459
ID  - gq1459
ER  -