TY  - RPRT
TI  - Aeromagnetic map of east-central United States
AU  - T.G. Hildenbrand
AU  - R.P. Kucks
AU  - R. W. Johnson
PY  - 1981
DO  - 10.3133/gp948
UR  - https://pubs.usgs.gov/publication/gp948
ID  - gp948
ER  -