The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 258
.The clay is verycompact, of a darkgray color, in placestinted slightly redl)y iron oxide. Whilegood for tiles, it re-quires an admixtureof more sandy material to make l^rick. Two plants are working onthis material. La Bolsa Tile Company, II. S. Hazeltine, president; E. R. Bradbury,general manager,…
Building stones · Portland cement · Clay · Mines and mineral resources
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