TY  - RPRT
TI  - Aeromagnetic map of the Allentown quadrangle, Northampton, Lehigh, and Bucks Counties, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - B. L. Bennett
PY  - 1959
DO  - 10.3133/gp213
UR  - https://pubs.usgs.gov/publication/gp213
ID  - gp213
ER  -