Keweenaw Waterway Including Torch Lake

1973

NOS Lake Survey Center

1:30k

Keweenaw Waterway Michigan Including Torch Lake

1948

U.S. Lake Survey

1:30k

Keweenaw Waterway Michigan Including Torch Lake

1941

U.S. Lake Survey

1:30k

Keweenaw Waterway Mchigan Including Torch Lake

1940

U.S. Lake Survey

1:30k

Upper Peninsula, scale six miles to an inch (Houghton County)

1873

Walling, H. F.

1:380k

Houghton County, Michigan.

1936

Upper Peninsula Development Bureau

Copper Country - Keweenaw Land, Michigan. Gateway to Isle Royale.

1936

Upper Peninsula Development Bureau

Copper and Iron District of Lake Superior Michigan

1880

Bolitho, Edwin

Michigan (Northern Part).

1948

Hammond, C.S.

1:1m

Lake Superior - General

1973

NOS Lake Survey Center

1:600k