TY  - RPRT
TI  - Surficial geologic map of the Yellowstone National Park
AU  - G.L. Richmond
AU  - K. L. Pierce
AU  - H.A. Waldrop
PY  - 1972
DO  - 10.3133/i710
UR  - https://pubs.usgs.gov/publication/i710
ID  - i710
ER  -