US 12 scenic road feasibility study :
Indiana Dunes National Lakeshore, Indiana.
APA Citation
United States. National Park Service. Denver Service Center. (1991). US 12 scenic road feasibility study: Indiana Dunes National Lakeshore, Indiana. [Denver, Colo.?]: U.S. Dept. of the Interior, National Park Service, Denver Service Center.
MLA Citation
United States. National Park Service. Denver Service Center. US 12 Scenic Road Feasibility Study: Indiana Dunes National Lakeshore, Indiana. [Denver, Colo.?]: U.S. Dept. of the Interior, National Park Service, Denver Service Center, 1991.
Warning: These citations may not always be complete (especially for serials).