(Map of Bay County, Michigan)

1873

Walling, H. F.

1:190k

Bay City

1919

1:63k

Bay City

1916

1:63k

Saginaw River - Outline of Charts

1961

U.S. Lake Survey

1:20k

Bay City

1967

1:24k

Bay City

1967

1:24k

Essexville

1967

1:24k

Essexville

1967

1:24k

Auburn

1962

1:24k

Auburn

1962

1:24k