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historicalmarkerproject/markers/HM1Y25_mount-diablo-state-park-historical_Walnut-Creek-CA.html
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Rising to 3,849 feet in elevation, Mount Diablo dominates the foothills and offers unobstructed views. Stand on its summit on a clear day and see over 200 miles in all directions; the Sierra Nevada to the east and pas…
historicalmarkerproject/markers/HM1Y24_what-are-those-towers-for-historical_Walnut-Creek-CA.html
Mount Diablo has always been a guide and landmark to people far bellow, and so it became a natural location for many radio and transmission towers as well.
As early as 1928, the Standard Oil Company and U.S. Dept. of Commerce jointly constructe…
historicalmarkerproject/markers/HM1RPO_farmall-tractor-c-1925_Walnut-Creek-CA.html
First model built by International Harvester in 1924. Designed to cultivate or weed between rows. Instead of the traditional side-mounted flywheel to which a belt was attached to run machinery, the Farmall had what was known as a "power take-off,"…
historicalmarkerproject/markers/HM1RPM_broad-spreader-of-seed-spreader-wagon_Walnut-Creek-CA.html
Used for sowing seeds in the fields. Most early farm machinery were Rube Goldberg-like contraptions. When the wagon wheels turned, the gears fastened to them turned other gears.
historicalmarkerproject/markers/HM1RPL_old-borges-ranch_Walnut-Creek-CA.html
Walnut Creek's Old Borges Ranchhouse, as the cornerstone of a working cattle ranch, was first built by Frank (Francisco) and his wife Mary Borges, their sons and daughters in 1899. Since then, this house has withstood five generations of the hard …
historicalmarkerproject/markers/HM1RHL_mt-diablo-state-park_Walnut-Creek-CA.html
Like many other isolated peaks, Mt. Diablo is steeped in lore - much of it involving the mountain's name.
On a 1824 map, "M. del Diablo" signifies a Christian Indian village, not a peak. The reference to "diablo" or devil can be traced back to 1…
historicalmarkerproject/markers/HM1RHI_mount-diablo-beacon_Walnut-Creek-CA.html
A large flashing light atop this rotunda once guided airplanes flying through the night skies of the Bay Area. Originally held aloft on a 75-foot tower erected by Standard Oil in 1928, it served as a crucial route-finding aid in the days before el…
historicalmarkerproject/markers/HMBH8_mount-diablo_Walnut-Creek-CA.html
Mount Diablo, sacred to Native Americans who lived and worshipped there for over 5,000 years became a critical reference point for Spanish explorers in the 18th century, and American trappers and early California settlers in the 19th. In 1851 Colo…