North Coast of Lake Huron From Scammon Cove to Lougheed Point Including North Channel From Sulphur Island to Little Detroit

1912

U.S. Lake Survey

1:120k

Alpena

1969

1:250k

Alpena

1958

1:250k

Alpena

1954

1:250k

Alpena

1954

1:250k

Chart of Lake Huron

1902

U.S. Lake Survey

1:400k

Lake Huron and Georgian Bay

1901

Department of the Navy

1:400k

Lake Michigan - General

1972

NOS Lake Survey Center

1:500k

Lake Michigan - General

1972

NOS Lake Survey Center

1:500k

Lake Huron - General

1974

NOS Lake Survey Center

1:500k