The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 227
north of Lincoln, where there is an abundance of very fine clayoccurring in the lone formation and overlying a vein of lignite. Theclay has been excavated by a series of benches for about 50 feet indepth. In the Xllth Report of the State Mining Bureau, 1896, page 220 STRUCTURAL AND INDUSTRIAL… … Rich Flat.—In Soc. 15, T. 12 N., li. M M, one mile south of Auburn,on Kicli Fhit, in an open cut at the l)reast of an old drift, there isexposed a variety of clays in small occurrences. The colors are white HIGH-GRADE CLAYS —RIVERSIDE COimTY. 221 and light brown, some containing fine, grit-like…
Building stones · Portland cement · Clay · Mines and mineral resources
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