TY  - RPRT
TI  - Northeastern United States regional aeromagnetic maps
AU  - Isidore Zietz
AU  - Francis Gilbert
AU  - J.R. Kirby
PY  - 1972
DO  - 10.3133/ofr72459
UR  - https://pubs.usgs.gov/publication/ofr72459
ID  - ofr72459
ER  -