Ionia

1978

1:24k

Ionia

1943

1:63k

Ionia

1918

1:63k

Ionia

1916

1:63k

(Map of Ionia County, Michigan)

1873

Walling, H. F.

1:190k

Grand River Mich From Dermo Bayou to Bass River

1972

U.S. Lake Survey

1:15k

Grand River Mich From Dermo Bayou to Bass River

1972

NOS Lake Survey Center

1:15k

Grand River Mich From Dermo Bayou to Bass River

1966

U.S. Lake Survey

1:15k

Grand Rapids

1984

1:100k

Grand Rapids

1958

1:250k