TY  - RPRT
TI  - Geologic map of the Challis quadrangle, Custer and Lemhi Counties, Idaho
AU  - David H. McIntyre
AU  - S. W. Hobbs
PY  - 1987
DO  - 10.3133/gq1599
UR  - https://pubs.usgs.gov/publication/gq1599
ID  - gq1599
ER  -