Thank you, Joe, for that tip. Nancy sure did reply with the answer. It was most appreciated and a very speedy response.

"It's based on a true story, although the facts are unclear. Here's a
website about the now ghost town where the incident took place. It
mentions the story. Legend has it that the Power's gold mine is still in
the mountains."

http://www.ghosttowns.com/states/az/klondyke.html

Many thanks, Nancy!

AnneMC