TY  - RPRT
TI  - Geologic map of Mackay 4 (Grouse) NW quadrangle, Butte and Custer Counties, Idaho
AU  - Betty Skipp
PY  - 1989
DO  - 10.3133/ofr89142
UR  - https://pubs.usgs.gov/publication/ofr89142
ID  - ofr89142
ER  -