Q: I have an 1891 map that shows an area in northeastern Arizona as “Diamond Fields.” Have diamonds been found in this area, and if so, are diamonds mined there now?
A: This turned out to be pretty interesting. There is indeed a wide spot on the road near the junction of U.S. 160 and Arizona 118 called Diamond Fields.
For help on this matter I called the Old Scout himself, state historian Marshall Trimble, and asked him if he had ever heard of Diamond Fields. That was dumb. Of course he’d heard of Diamond Fields. That’s why he’s the state historian, and you and I aren’t.
In 1872, a pair of prospectors named Philip Arnold and John Slack walked into a bank in San Francisco with a bag full of diamonds and rubies and other gems they had found at a site that they refused to divulge.