TY  - RPRT
TI  - Aeromagnetic map of the Quakertown quadrangle, Bucks County, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - G. L. Zandle
PY  - 1959
DO  - 10.3133/gp214
UR  - https://pubs.usgs.gov/publication/gp214
ID  - gp214
ER  -