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historicalmarkerproject/markers/HM25ZQ_site-of-first-mining-operation-in-california_San-Jose-CA.html
Here in Los Alamitos Creek in 1824, Luis Chabolla & Antonio Sunol first worked New Almaden ore in an arrastra & sluice.
historicalmarkerproject/markers/HM25Z2_the-rossi-retort_San-Jose-CA.html
This two-tube inclined retort, known as a "Rossi Retort," was named for Louis Rossi who came to New Almaden in the 1920s and built a reduction plant based on his patented design. This style of retort allowed rapid recovery of valuable mercury from…
historicalmarkerproject/markers/HM25Z1_casa-grande_San-Jose-CA.html
Built in 1854 of adobe, brick and wood. Residence of mine's manager until 1925. Most gracious and stately California mansion of the early days. Scene of important social & political events, planned by Henry W. Halleck & built by J. Young & F. Meye…
historicalmarkerproject/markers/HM25SQ_military-community_San-Jose-CA.html
Recreation at Home
Remains of a swimming pool are a visual reminder of a thriving community of military families that lived at the Almaden Air Force Station between 1957 and 1980. Hundreds of people live in military housing near this loca…
historicalmarkerproject/markers/HM25SP_the-bell-tower_San-Jose-CA.html
In 1874, a fire swept through the New Almaden community destroying many miner's homes. To prevent the recurrence of such a disaster, mine manager James Randol organized a local bucket brigade and ordered the construction of a bell tower and a syst…
historicalmarkerproject/markers/HM25RX_miners-and-settlers_San-Jose-CA.html
Red Rock Riches
Cinnabar was highly valued as used for pigment by the Ohlone people who lived around Mount Umunhum. It contained mercury, also known as "quicksilver," which was essential for processing gold during California's Gold Rush.…
historicalmarkerproject/markers/HM25RW_a-sacred-site_Los-Gatos-CA.html
Mount Umunhum holds great spiritual value of local tribal bands such as the Amah Mutsen and Muwekma. This mountain is where visions are sought and communion with the spiritual world is made. It is also where relationships with ancestors and future…
historicalmarkerproject/markers/HM25RU_scanning-the-skies_Los-Gatos-CA.html
In the late 1950s, the United States government procured Mount Umunhum to build the Almaden Air Force Station. an early warning radar facility that operated from 1957 to 1980. The station was constructed as part of a west coast network that scanne…
historicalmarkerproject/markers/HM25RT_early-people-of-mount-umunhum_Los-Gatos-CA.html
Mount Umunhum is a sacred site for today's Amah Mustun and Muwekma tribal bands, who are the living descendants of the ancestral Ohlone tribes native to the region. Along with the eagle, hawk, and raven, the hummingbird plays an important role in …
historicalmarkerproject/markers/HM24YJ_motion-picture-research-commemoration_Stanford-CA.html
In commemoration of
the motion picture research conducted
in 1878 and 1879 at the Palo Alto Farm
now the site of Stanford University
This extensive photographic experiment
portraying the attitudes of men and
animals in motion was conceived…