TY - RPRT TI - Preliminary geologic map of the Elk Park quadrangle, Jefferson and Silver Bow Counties, Montana AU - H.W. Smedes AU - M. R. Klepper AU - D. M. Pinckney AU - G.E. Becraft AU - E. T. Ruppel PY - 1962 DO - 10.3133/mf246 UR - https://pubs.usgs.gov/publication/mf246 ID - mf246 ER -