TY - RPRT TI - Preliminary geologic map of the west central part of the Burdock quadrangle, Fall River County, South Dakota AU - R. W. Schnabel AU - L.J. Charlesworth PY - 1958 DO - 10.3133/mf71 UR - https://pubs.usgs.gov/publication/mf71 ID - mf71 ER -