Port Huron

1949

1:24k

Port Huron

1939

1:24k

Port Huron

1968

1:24k

Port Huron

1968

1:24k

Port Huron

1952

1:24k

Port Huron

1991

1:24k

South End of Lake Huron

1973

NOS Lake Survey Center

1:15k

Lakeport

1961

1:24k

Lakeport

1961

1:24k

South End of Lake Huron and Head of the St Claire River

1859

Unknown

1:120k