TY  - RPRT
TI  - Geologic map of the Old Faithful quadrangle, Yellowstone National Park, Wyoming
AU  - Robert L. Christiansen
AU  - H. Richard Blank
PY  - 1974
DO  - 10.3133/gq1189
UR  - https://pubs.usgs.gov/publication/gq1189
ID  - gq1189
ER  -