TY  - RPRT
TI  - Aeromagnetic map of the Middletown quadrangle, Dauphin, Lancaster, Lebanon, and York Counties, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - N. C. Natoff
PY  - 1961
DO  - 10.3133/gp269
UR  - https://pubs.usgs.gov/publication/gp269
ID  - gp269
ER  -