TY  - RPRT
TI  - Aeromagnetic map of the Ephrata quadrangle, Lancaster County, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - G. L. Zandle
PY  - 1961
DO  - 10.3133/gp241
UR  - https://pubs.usgs.gov/publication/gp241
ID  - gp241
ER  -