The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 96
sure, 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 :;«. McCLOUI) LIMESTONE KLlFFS, FROM U. S. KLSHERIES, 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; SiOa, 5.5per 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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