Nos. 12 to 15 Inclusive, it is to be inferred that several others have been in existence in earlier days. Indeed, one or two of these old wells still contain a slight amount of oil. The producing wells are sunk in northward-dipping sandstone and shale... The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts, Southern ... - Page 89 by George Homans Eldridge, Ralph Arnold - 1907 - 266 pages Full view -
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