(Map of Iosco County, Michigan)

1873

Walling, H. F.

1:190k

Tawas City

1984

1:100k

Tawas City

1984

1:100k

Tawas City

1984

1:100k

Lake Huron From Richmondville to Au Sable Point Including Sagainaw Bay

1906

U.S. Lake Survey

1:120k

Lake Huron From Richmondville to Au Sable Point Including Saginaw Bay

1912

U.S. Lake Survey

1:120k

Lake Huron Coast Pointe Aux Barques to 11 Miles North of Oscoda Including Saginaw Bay

1973

NOS Lake Survey Center

1:120k

Lake Huron Coast Pointe Aux Barques to 11 Miles North of Oscoda Including Saginaw Bay

1973

NOS Lake Survey Center

1:120k

Tawas City

1958

1:250k

Tawas City

1954

1:250k