33. Soil Map, Ashtabula Sheet, Ohio.

1903

Carr, E.P.

1:63k

Ashtabula, Geauga, Lake, Mahoning, Portage and Trumbull counties.

1872

Walling, H. F.

1:300k

The Cleveland Electric Illuminating Company

1926

Cleveland Electric Illuminating Company

1:170k

Map Of The Western Reserve Including the Fire Lands In Ohio.

1833

Taylor, Allen

1:410k

Atlas of Ohio : Connecticut "Western Reserve"

1868

Lloyd, H.H.

1:300k

Ashtabula Harbor

1946

NOS Lake Survey Center

1:5k

Ashtabula Harbor

1906

NOS Lake Survey Center

1:5k

Pittsburgh & Western Pennsylvania : Coal & coke fields, oil regions & location of natural gas wells & gas mains leading to Pittsburgh

1876

Caldwell, J. A. (Joseph A.)

1:400k

Plate A. Northwest Pennsylvania.

1871

Hopkins, G.M.

Conneaut Harbor

1902

U.S. Lake Survey

1:5k