TY  - RPRT
TI  - Helicopter airborne electromagnetic survey (using the Dighem II system) of parts of the Lake City caldera, Hinsdale County, Colorado
AU  - D.C. Fraser
AU  - Z. Dvorak
PY  - 1980
DO  - 10.3133/ofr80917
UR  - https://pubs.usgs.gov/publication/ofr80917
ID  - ofr80917
ER  -