TY  - RPRT
TI  - Ten preliminary aeromagnetic maps covering Clark, Floyd, Hamilton, Hancock, Harrison, Jackson, Jefferson, Madison, Tipton, and Washington Counties, Indiana
AU  - John R. Henderson
PY  - 1950
DO  - 10.3133/ofr5037
UR  - https://pubs.usgs.gov/publication/ofr5037
ID  - ofr5037
ER  -