The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 128
ILL. Xo. 51, COLUSA SANDSTONE QUARRY. VIEW FROM SOUTH END OF QUARRY(120) … (121) 122 STRUCTURAL AND INDUSTRIAL MATERIALS OF CALIFORNIA. space above tamped with soil. The air in the chamber between thewadding and the bottom of the hole when compressed by the explosionof the powder serves as a force in splitting the rock. Both quarries areoperated with steam-power hoists…
Building stones · Portland cement · Clay · Mines and mineral resources
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