Ottawa County, Ohio.

1874

Hardesty, H.H.

1:169k

Islands in Lake Erie Including Sandusky Bay Ohio

1946

U.S. Lake Survey

1:40k

Salem, Ottawa County, Ohio.

1874

Hardesty, H.H.

1:32k

Cuyahoga, Erie, Huron, Lorain, Medina, Ottawa, Sandusky, Seneca, and Summit counties.

1872

Walling, H. F.

1:300k

Allen, Crawford, Defiance, Fulton, Hancock, Henry, Lucas, Ottawa, Paulding, Putnam, Sandusky, Van Wert, Williams, Wood and Wyandot counties.

1872

Walling, H. F.

1:300k

Put-In-Bay Island, Ottawa County (Ohio).

1874

Hardesty, H.H.

Middle Bass Island, Ottawa County, Ohio.

1874

Hardesty, H.H.

Detroit United Railway's Interurban Lines.

1920

Detroit United Railway

The Detroit Edison system

1928

Detroit Edison Company

North Bass Island, Ottawa County, Ohio.

1874

Hardesty, H.H.