Doris Drown Nevills and Adrian K. Reynolds with others at the dedication of the Major John Wesley Powell plaque, Green River, Sweetwater county, Wyoming.
Plaque reads "Marking the spot from which Major Wesley Powell and party departed May 24, 1869, to make first exploration of Green and Colorado Rivers, arriving mouth of Grand Canyon Aug. 19, 1869. Plaque placed by The Historical Landmark Commission of Wyoming 1949
