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HomeCaliforniaSan Bernardino County → Trona
 

Trona City Historical Markers

Map of California State Historical Marker Locations in the City of Trona
 

Trona City Historical Markers

Trona General Interest
Searles Lake Borax Discovery
John Searles discovered borax on the nearby surface of Searles Lake in 1862. With his brother Dennis, he formed the San Bernardino Borax Mining Compan... [click for more]

Valley Wells
In this area, several groups of midwestern emigrants who had escaped from hazards and privations in Death Valley in 1849 sought to secure water from S... [click for more]