Chippewa County, Michigan.

1936

Upper Peninsula Development Bureau

St. Mary's River From Lake Superior To Lake Huron

1855

Colton, J.H.

1:180k

Upper Peninsula, scale six miles to an inch (Chippewa and Mackinac counties)

1873

Walling, H. F.

1:380k

Sault Sainte Marie

1958

1:250k

Sault Sainte Marie

1956

1:250k

Sault Sainte Marie

1954

1:250k

Sault Sainte Marie

1954

1:250k

Sault Sainte Marie

1954

1:250k

St Marys River Sault Ste Marie to Whitefish Bay

1973

NOS Lake Survey Center

1:40k

St Marys River From Twin Islands to Sault Ste Marie

1898

1:40k