1873
Hopkins, G.M.
1:253k
1902
Gannett, Henry; Wilson, H. M.; US Coast and Geodetic Survey; Geological Survey of New Jersey
1:63k
1860
Beers, S.N.
1:63k
1958
Brandywine Valley Association
1872
Gray, Ormando Willis; Walling, H. F.
1:300k
1935
C&GS
1:500k
1956
Shell Oil Company
1956
Shell Oil Company
1924
Rand McNally and Company
1:317k
1935
Green, Mildred C.