Petroglyphs of southeast Colorado and the Oklahoma panhandle - McGlone, William R. frey50; Barker, Ted.; Leonard, Phillip M. (Kamas, UT : Mithras, Inc., 1994)
This copy autographed by author Ted Barker.
Keywords: Petroglyphs -- Colorado; Petroglyphs -- Oklahoma; Indians of North America -- Colorado -- Antiquities; Indians of North America -- Oklahoma -- Antiquities; Colorado -- Antiquities; Oklahoma -- Antiquities