TY - RPRT TI - Aeromagnetic map of the Langhorne quadrangle, Bucks County, Pennsylvania AU - Randolph Wilson Bromery AU - J. R. Henderson AU - G. L. Zandle PY - 1960 DO - 10.3133/gp238 UR - https://pubs.usgs.gov/publication/gp238 ID - gp238 ER -