Wall Street Mill Trail Professional Reviews and Guides
"Bill Keys built the Wall Street Mill in 1930 to process gold ore. The ore was carted to the top of the mill, then dumped through a crusher and smashed into sand by two great stamps. The sand was mixed with water and mercury; the gold adhered to the mercury, while the worthless gravel washed away. Keys ceased operations in 1966 and the mill was placed on the National Register of Historic Sites. It is one of the better-preserved examples of early 20th Century mining technology. A short hike through the desert brings you to inspect the structure."
--David & Jennifer Money Harris, Afoot and Afield: Inland Empire (Wilderness Press).
"This level hike displays the desert's power of preservation! Rusty old trucks still have their tires. Antique cars sit peacefully beneath oak trees. The mill, protected by the National Register of Historic Sites due to its local technological and mechanical uniqueness, still stands with its machinery intact, albeit a tad rusty. A barbed-wire fence also protects the mill from visitors. Nearby are hulks of vehicles and other artifacts of life in the desert 60 years ago. A park sign at the mill explains its workings, with an excellent drawing—actually a blueprint of its original design in the 1930s. This is a fun voyage of discovery, even for those who might not be machinery buffs. Well preserved ore processing and other remnants of mining days provide historical interest."
--Bill & Polly Cunningham, Hiking California's Desert Parks (Falcon Guides).
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