TY  - RPRT
TI  - Geologic map of the Mount Richthofen Quadrangle and the western part of the Fall River Pass Quadrangle, Grand and Jackson counties, Colorado
AU  - J.M. O’Neill
PY  - 1981
DO  - 10.3133/i1291
UR  - https://pubs.usgs.gov/publication/i1291
ID  - i1291
ER  -