TY  - RPRT
TI  - Digital magnetic-anomaly map of central United States: Description of major features
AU  - T.G. Hildenbrand
AU  - R.P. Kucks
AU  - R. E. Sweeney
PY  - 1983
DO  - 10.3133/gp955
UR  - https://pubs.usgs.gov/publication/gp955
ID  - gp955
ER  -