Sleeping Bear Dunes National Lakeshore (Agency : U.S.)
[Empire, Mich. : U.S. Dept. of the Interior, National Park Service, Sleeping Bear Dunes National Lakeshore, 2009]
2009
Sleeping Bear Dunes National Lakeshore (Agency : U.S.)
[Empire, Mich. : National Park Service, U.S. Dept. of the Interior, Sleeping Bear Dunes National Lakeshore, 2008]
2008