TY - RPRT TI - Geologic map of the Hartsel Quadrangle, Park County, Colorado AU - Peter E. Barkmann AU - Karen J. Houck AU - Marieke Dechesne AU - Jonathan R. Lovekin AU - Erinn P. Johnson PY - 2019 UR - https://pubs.usgs.gov/publication/70202472 ID - 70202472 ER -