TY  - RPRT
TI  - Preliminary report on an experimental aeromagnetic survey in northwestern Indiana
AU  - Henry Rochambeau Joesting
AU  - J. R. Henderson
PY  - 1948
DO  - 10.3133/ofr4823
UR  - https://pubs.usgs.gov/publication/ofr4823
ID  - ofr4823
ER  -