Dover.

1868

Beers, D. G.

1:4k

Dover Air Force Base : Dover Delaware : Preliminary master plan

1952

United States. Air Force

1:12k

Camden, Felton.

1868

Beers, D. G.

1:5k

Little Creek, Dover (hundreds)

1868

Beers, D. G.

1:63k

Dover, Delaware

1885

O.H. Bailey & Co.

7. Soil Map, Dover Sheet, Delaware.

1903

Ayrs, O.L.

1:63k

Delaware Bay, River 2.

1848

Hassler, F. R.

1:80k

Nautical Chart of Delaware Bay and Harbor

1878

C&GS

1:80k

Delaware Bay Middle Sheet

1881

C&GS

1:80k

N & S Murderkill.

1868

Beers, D. G.

1:63k