TY - RPRT TI - Geologic map of the Heitz School Quadrangle, Prairie and McCone counties, Montana AU - R. B. Colton AU - J. P. McGraw AU - D. K. Bozeman PY - 1994 DO - 10.3133/ofr88608 UR - https://pubs.usgs.gov/publication/ofr88608 ID - ofr88608 ER -