TY  - RPRT
TI  - Aeromagnetic map of part of the Beechwood quadrangle, Michigan and Wisconsin
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1967
DO  - 10.3133/gp603
UR  - https://pubs.usgs.gov/publication/gp603
ID  - gp603
ER  -