TY  - RPRT
TI  - Preliminary aeromagnetic maps of Nevada City and Alleghany 15-minute quadrangles, California
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1976
DO  - 10.3133/ofr76274
UR  - https://pubs.usgs.gov/publication/ofr76274
ID  - ofr76274
ER  -