The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 96
posure, and shows a great thickness oflimestone, covering Sees. 7 and 8, T. 34 N., R. 2 W. The lower parthas a dark gray color, is rather thinly bedded, and is cut by numerousseams of calcite; while the upper portion is more massive, containsless calcite seams, and has a lighter gray color. The… … ILL No 3fi. McCLOUD LIMESTONE BLUFFS, FROM U. S. FISHERIES, SHASTA COUNTY. The analysis of this limestone as given by Mr. J. B. Keating, generalsuperintendent of the Bully Hill mine, is: CaO, 52 per cent; SiOg, o.oper cent; organic, 1.5 per cent. Mr. Diller, in Bulletin No. 225, U. S. Geological…
Building stones · Portland cement · Clay · Mines and mineral resources
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