Chassell

1978

1:24k

Chassell

1948

1:24k

Chassell

1946

1:24k

Chassell

1946

1:24k

Houghton

1954

1:63k

Houghton

1954

1:63k

Houghton

1915

1:63k

Houghton

1915

1:63k

Houghton

1915

1:63k

Keweenaw Waterway Mich Including Torch Lake and Canal Lake Superior

1934

U.S. Lake Survey

1:30k