Boron Borax Mine, Twenty Mule Teams and Trona
Boron, CA is home to Rio Tinto's U.S. Borax open-pit mine and free visitor center; Trona mines Searles Lake brines. History, hours and High Desert routes.
Blog & local guides
The mines, railroads, rocks and air bases that shaped the High Desert, and where they stand today.
Boron, CA is home to Rio Tinto's U.S. Borax open-pit mine and free visitor center; Trona mines Searles Lake brines. History, hours and High Desert routes.
Hesperia, CA history: Penn Phillips' 1954 land boom, the PGA Tour's Hesperia Open (1957-60), Hesperia Airport (L26) today, and what's true about the Rat Pack.
Hinkley, CA: how PG&E's chromium-6 reached groundwater, the $333 million case behind the Erin Brockovich film, and where the state cleanup stands in 2026.
Turquoise forms in copper-bearing desert rock. See the prehistoric Halloran Springs mines near Baker, CA, Kingman turquoise at Mineral Park, and the rules.
Wild burros roam Oatman's Black Mountain HMA, the Chemehuevi HMA near Needles and the Big Bear territory. Learn the law, road tips, feeding rules and adoption.
Follow along: RSS feed. Every article is reviewed by Dustin Bynum, Broker (CA DRE #01949835).
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