TY  - RPRT
TI  - Aeromagnetic map of the Pottstown quadrangle, Berks, Chester, and Montgomery Counties, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - G. L. Zandle
PY  - 1960
DO  - 10.3133/gp222
UR  - https://pubs.usgs.gov/publication/gp222
ID  - gp222
ER  -