Calvert.

1866

Martenet, Simon J.

1:222k

Potomac River, From Piney Point to Lower Cedar Point

1905

C&GS

1:60k

Potomac River, From Piney Point to Lower Cedar Point

1906

C&GS

1:60k

St. Mary's.

1866

Martenet, Simon J.

1:222k

Topo. atlas Maryland: counties of Dorchester, Wicomico, Somerset & Worcester.

1873

Walling, H. F.

1:222k

Composite: Staten Island.

1872

Dripps, Matthew

1:253k

A Chart of the Chesapeake and Delaware Bays

1840

Fielding Lucas

1:357k

Bird's eye view of part of Maryland, Distr of Columbia and part of Virginia

1861

Bachmann, John

SE Virginia, Ft. Monroe.

1895

U.S. War Department, Topographical Engineers

1:317k

Strategic War Points of the United States no.1: Country Road Washington

1861

J. Wyld