TY  - RPRT
TI  - Aeromagnetic map of the eastern part of the Northern Peninsula of Michigan
AU  - W.F. Cannon
AU  - A.E. Fenichel
PY  - 1981
DO  - 10.3133/gp947
UR  - https://pubs.usgs.gov/publication/gp947
ID  - gp947
ER  -