TY  - RPRT
TI  - Total intensity aeromagnetic map of Putnam County, Indiana
AU  - John R. Henderson
AU  - J. L. Meuschke
PY  - 1950
DO  - 10.3133/gp41
UR  - https://pubs.usgs.gov/publication/gp41
ID  - gp41
ER  -