number of white men visited Navajo Mountain in the 1880s. Rumors of
Hashkeniinii's secret silver mine attracted miners, the best-known being
Cass Hite. Hashkeniini refused to tell Hite the location of the silver
mine but did tell him where he could find gold on the Colorado River.
In 1884 a heliograph station was placed on Navajo Mountain by U.S. troops
under a Captain Thomas.
discovery of nearby Rainbow Bridge by white men created controversy
over whether John Wetherill, Byron Cummings, or W.B. Douglass saw or
reached the bridge first. A number of amateur and professional archaeologists
surveyed Navajo Mountain; they included John Wetherill, Earl Morris,
Ralph Beals, Neil Judd, J. Walter Fewkes, Harold S. Gladwin, A.B. Kidder,
Byron Cummings, and Charles L. Bernheimer. In 1960 and in 1981 Alexander
J. Lindsay and Richard Ambler excavated sites near Glen Canyon and the
northeast portion of Rainbow Plateau for Northern Arizona University.