TY  - RPRT
TI  - Geologic reconnaissance map of the Chris Mountain and Pagosa Springs quadrangles, Archuleta County, Colorado
AU  - W. J. Hail
PY  - 1971
DO  - 10.3133/ofr71142
UR  - https://pubs.usgs.gov/publication/ofr71142
ID  - ofr71142
ER  -