The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 42
tate. Mr. David Griffith formerly worked inthe famous slate quarries in Penrhyn, Wales. He quarried granite atFolsom, but in 1864 he came to Penryn,* which he named after hisWelsh home. Here he remained, and he and his descendants havequarried granite from that time until the present. David… … ILL. No. 8. MANTYLAS GRANITE QUARRY, ROCKLIN, PLACER COUNTY. construction work on this line. Many Government contracts werefilled in former years, and at times there have been 200 men or moreemployed in these quarries, although at present there is less than ascore. The stone is a dark gray biotite…
Building stones · Portland cement · Clay · Mines and mineral resources
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