(Map of Roscommon County, Michigan)

1873

Walling, H. F.

1:190k

Houghton Lake

1983

1:100k

Traverse City

1989

1:250k

Traverse City

1958

1:250k

Traverse City

1954

1:250k

Traverse City

1954

1:250k

Traverse City

1954

1:250k

Traverse City

1954

1:250k

(Map of Oscoda County, Michigan)

1873

Walling, H. F.

1:190k

Chart of Lake Huron

1902

U.S. Lake Survey

1:400k