Dominguez, Steve, author.
Lincoln, Nebraska : United States Department of the Interior, National Park Service, Midwest Archeological Center, 1994.
1994
United States. National Park Service, cartographer, issuing body.
[Washington, D.C.] : National Park Service, U.S. Department of the Interior, 2019.
2019
KellerLynn, Katie, author.
Denver, Colorado : Geologic Resources Division, Natural Resource Program Center ; Washington, D.C. : U.S. Department of the Interior, 2005.
2005