TY  - RPRT
TI  - Aeromagnetic map of part of the Alburtis quadrangle, Lehigh, Berks, and Northampton Counties, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - G. L. Zandle
AU  - and others
PY  - 1961
DO  - 10.3133/gp266
UR  - https://pubs.usgs.gov/publication/gp266
ID  - gp266
ER  -