Port Huron

1968

1:24k

Port Huron

1949

1:24k

Port Huron

1968

1:24k

Port Huron

1952

1:24k

Port Huron

1991

1:24k

Port Huron

1939

1:24k

Lakeport

1961

1:24k

Lakeport

1961

1:24k

South End of Lake Huron Including Head of St Clair River

1954

1:15k

South End of Lake Huron

1973

NOS Lake Survey Center

1:15k