5 SW red sandstone.

1888

Vermeule, C. C. (Cornelius Clarkson), 1858-1950

1:63k

Atlas of New Jersey, Counties of Hunterdon, Somerset and Mercer.

1873

Hopkins, G.M.

1:253k

The historic and scenic Brandywine watershed

1958

Brandywine Valley Association

Delaware, Montgomery, Bucks counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Map Of The Vicinity Of Philadelphia

1860

Beers, S.N.

1:63k

Hunterdon, Somerset Cos., N.J.

1872

Beers, F. W. (Frederick W.)

1:127k

Maria Theresa

1935

C&GS

1:500k

Various Regions and Cities in Pennsylvania.

1956

Shell Oil Company

Various Regions and Cities in the Middle Atlantic States.

1956

Shell Oil Company

New York-Philadelphia District.

1924

Rand McNally and Company

1:317k