TY  - RPRT
TI  - Aeromagnetic map of the Ridgway-Pagosa Springs area, southwestern Colorado
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1972
DO  - 10.3133/gp840
UR  - https://pubs.usgs.gov/publication/gp840
ID  - gp840
ER  -