TY  - RPRT
TI  - Geologic map of the Challis Quadrangle, Custer County, Idaho
AU  - D. H. McIntyre
AU  - S. W. Hobbs
PY  - 1978
DO  - 10.3133/ofr781059
UR  - https://pubs.usgs.gov/publication/ofr781059
ID  - ofr781059
ER  -