TY - RPRT TI - Geologic map of the Frank Island quadrangle, Yellowstone National Park, Wyoming AU - H. Richard Blank AU - Harold J. Prostka AU - William R. Keefer AU - Robert L. Christiansen PY - 1974 DO - 10.3133/gq1209 UR - https://pubs.usgs.gov/publication/gq1209 ID - gq1209 ER -