Ranch buildings dotted the landscape. Oseo Perrone, a physician and immigrant from Mattarana, La Spezia Province, Italy, came to San Francisco in 1881, became interested in viticulture and purchased a large ranch at on Black Mountain in 1885 where he, and then his nephew of the same name, began production of Montebello Winery (now Ridge Vineyards) wine in 1892.

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