The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 164
theast of Napa, on the Soscolor Vallejo road. The stone is a light-gray trachyte and grades into a bluish, close-grained basaltic trachyte,showing flow structure. It occurs in a bedded deposit, and the rockvaries within a few feet. It is used as a building stone for bridges andfoundation work. In… … ILL. No. -:!. WLXOS TRACHVTK (iCARRY, NAPA. principally used as a decorating material in buildings constructedmainly of lighter colored tuffs. Pickett Quarry; C. N. Pickett, Calistoga, owner; about li miles eastof Calistoga. The rock is a light-yellowish trachyte and has l:)een usedas a building…
Building stones · Portland cement · Clay · Mines and mineral resources
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