The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 48
ss regularly roundedhills or buttes that occur at this place, over the tops and slopes of whichthe granite outcrops in rounded ledges in the midst of a nmltitude oflarge rounded boulders. Many of the boulders, as well as the pro-jecting ledges, have a smooth, hard, firm surface. Some of them… … ILT,. No. 11. (iRAXITE QUAKHY, CORONA, RIVERSIDE COUNTY. easily worked into dimensions than the massive bedrock. The boul-ders are especially sought in making the Belgian paving blocks, whichare made here in large numbers. Besides the use for paving stone, the Corona granite is used to someextent…
Building stones · Portland cement · Clay · Mines and mineral resources
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