Rogers City

1971

1:24k

(Map of Presque Isle County, Michigan)

1873

Walling, H. F.

1:190k

Alpena

1984

1:100k

Lake Huron Coast Six Miles North of Oscoda to Forty Mile Point Light Including Great Duck Island

1973

NOS Lake Survey Center

1:120k

Lake Huron Coast 13 Miles South of Sturgeon Point to Forty Mile Point Light Including Great Duck Island

1958

U.S. Lake Survey

1:120k

Lake Huron From Richmondville to Au Sable Point Including Sagainaw Bay

1906

U.S. Lake Survey

1:120k

Alpena

1969

1:250k

Alpena

1958

1:250k

Alpena

1954

1:250k

Alpena

1954

1:250k