found: Work cat: William Henry Jackson Papers. Digital Library Collection, 2001
found: GNIS Jul. 30, 2001(Grand Teton, summit, 13770 el., Highest point in the Grand Teton NP. 18 mi N of Jackson. This feature was known as Mount Hayden by the Doane Expedition of 1870 (US-T131/WY Place Names/1988/p. 84) Wyomin, Teton County, 43⁰44ʹ28ʺN, 110⁰48ʹ06ʺW)
found: Getty Jul. 30, 2001(Grand Teton (mountain) 43⁰44ʹN, 110⁰48ʹW; Highest peak of the Grand Teton range, 13,474 feet above sea level. Wyoming, Teton County, Grand Teton, Grand Teton Mountain, Grand Teton Peak)
found: GNISsummit; 43°44ʹ28ʺN 110°48ʹ06ʺW