TY  - RPRT
TI  - Digitized aeromagnetic map of the Columbus-Dayton area, Ohio and Indiana
AU  - J. B. Harlan
AU  - R.W. Simpson
AU  - Martin Francis Kane
PY  - 1979
DO  - 10.3133/ofr79928
UR  - https://pubs.usgs.gov/publication/ofr79928
ID  - ofr79928
ER  -