Aeromagnetic map of the Birdsboro quadrangle, Berks County, Pennsylvania [map] / Department of the Interior, United States Geological Survey ; by Randolph W. Bromery, John R. Henderson, Jr., Gerald L. Zandle, and others ; prepared in cooperation with the Commonwealth of Pennsylvania, Department of Internal Affairs

Corporate Author: Geological Survey (U.S.)
Published: Washington, D.C. : The Survey, 1960.
Physical Description: 1 map ; 58 x 44 cm, on sheet 61 x 72 cm, folded in envelope 30 x 24 cm.
Additional Creators: Bromery, Randolph Wilson, 1926-, Henderson, John R., and Zandle, Gerald L.