TY - RPRT TI - Preliminary map showing surficial deposits in the west half of the Condon Quadrangle, Missoula, Lake, and Flathead counties, Montana AU - Irving Jerome Witkind PY - 1977 DO - 10.3133/ofr77540 UR - https://pubs.usgs.gov/publication/ofr77540 ID - ofr77540 ER -