Fort William

1959

1:250k

Thunder Bay

1959

1:250k

Lake Superior - General

1973

NOS Lake Survey Center

1:600k

Lake Superior - General

1973

NOS Lake Survey Center

1:600k

Lake Superior and the Northern Part of Michigan.

1873

Gray, O.W.

1:2m

Northern Michigan and Lake Superior.

1865

Colton, G.W.

1:2m

Lake Superior and the Northern Part of Michigan.

1857

Colton, G.W.

1:2m

Carte geologique du Lac Superieur

1849

Whitney, J.D.

1:2m

Lake Superior And The Northern Part Of Michigan.

1856

Colton, G.W.

1:2m

Northern Michigan and Lake Superior.

1866

Colton, G.W.

1:2m