The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 162
harbor, andformerly in the (Jovernment breakwater at San Pedro, but in the latterits use was abandoned on account of the difficulty in obtaining the largeblocks required, weighing over 4000 pounds. (See also Xth Report,California State Mining Hureau, p. 279, andXIth iI)i(J., \). 404.) NAPA COUNTY.… … ILL. No. 71. ST. HELENA PUBLIC SCHOOL.Constructed of Trachytic Tuff from Moffat Quarry, near St. Helena Napa County. nearer town and is more uniform in character, being a hard, coarse,yellowish trachyte. It outcrops in large boulders and larger stone isobtainable. It has been used to a considerable…
Building stones · Portland cement · Clay · Mines and mineral resources
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