The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 312
SouthernPacific Railroad. The jasper formsthe crest of a ridge for over aquarter of a mile, for a height offrom 25 to 30 feet and from 30 to40 feet wide. (See 111. No. 132.)The jasper has various colors—some deep red, others bluish, othersred, mottled with white. It takes avery fine polish. Only… … 306 STRUCTURAL AND INDUSTRIAL MATERIALS OF CALIFORNIA. TRINITY COUNTY. A very prominent belt of jasper is reported on the Backbone, thedivide between the North Fork of Trinity River and the East Fork ofthe North Fork, showing especially in Sees. 5 and 8, T. 35 N., R. 11 W.,M. D. M. Another large…
Building stones · Portland cement · Clay · Mines and mineral resources
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