TY - RPRT TI - General geology of the Hahns Peak and Farwell Mountain quadrangles, Routt County, Colorado AU - Kenneth K. Segerstrom AU - Edward J. Young AU - G. N. Pipiringos PY - 1972 DO - 10.3133/b1349 UR - https://pubs.usgs.gov/publication/b1349 ID - b1349 ER -