In the spring of 1867, the American army surgeon Theophilus Hunt Turner and the army scout William Comstock explored the rocks around Fort Wallace, Kansas, where they were stationed during the construction of the Union Pacific Railway.
Wiosną 1867 chirurg amerykańskiej armii Theophilus Hunt Turner i zwiadowca William Comstock eksplorowali skały w okolicy Fort Wallace w Kansas, gdzie stacjonowali podczas budowy Union Pacific Railway.