Panama Canal Zone. Virgin Islands.

1948

Hammond, C.S.

1:430k

Panama. Ship Canal and Railroad

1885

Bradstreet Company

1:634k

A map of part of the Isthmus of Darien, shewing the communication with Panama, from Portobello & Chagre both by land, and by water

1700

1:190k

Panama Canal and Approaches

1923

C&GS

1:146k

No.VII. Map and profile of the route for the construction of a ship canal between the Pacific and Atlantic Oceans

1866

McDouglas, A.

1:108k

Panama Canal

1934

C&GS

1:60k

Panama Canal Pacific Sector.

1934

Mora, Jo (1876-1947)

No.IX. Map of part of the Isthmus of Darien

1866

Cullen, Dr.

1:275k

Entrance to Panama Canal

1929

C&GS

1:40k

Panama Canal

1914

U.S. Lake Survey

1:40k