TY  - RPRT
TI  - Aeromagnetic map of the northern Mother Lode area, California
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1969
DO  - 10.3133/gp671
UR  - https://pubs.usgs.gov/publication/gp671
ID  - gp671
ER  -