Legend of the Superstition Mountains: Black Cross Butte (S1, E6) | History
Fox 10 Phoenix and Troy Hayden Report on Guano Point at Grand Canyon West
Boraxo Mine & Bat Cave
Bats, roadblocks and the origins of coronavirus - BBC News
WILD KRATTS | To the Bat Cave! | PBS KIDS
The Bat Cave guano mine, located in the western Grand Canyon of Arizona at river mile 266, 800 feet (240 m) above Lake Mead, was an unusual, expensive and noteworthy mining operation. The natural cave was a bat habitat and contained an accumulation of guano.