TY  - RPRT
TI  - Surficial geologic map of the west Yellowstone Quadrangle, Yellowstone National Park and adjoining area, Montana, Wyoming, and Idaho
AU  - H.A. Waldrop
PY  - 1975
DO  - 10.3133/i648
UR  - https://pubs.usgs.gov/publication/i648
ID  - i648
ER  -