Ludington Harbor Pere Marquette Lake

1972

NOS Lake Survey Center

1:5k

Ludington

1983

1:25k

Ludington

1932

1:32k

Ludington

1959

1:63k

Ludington

1959

1:63k

Ludington

1959

1:63k

(Map of Mason County, Michigan)

1873

Walling, H. F.

1:190k

Ludington

1983

1:100k

Lake Michigan Muskegon to Lundington

1878

U.S. Lake Survey

1:80k

Lake Michigan Ludington to Point Betsie

1905

U.S. Lake Survey

1:80k