h was then an artificial lake nearly nine miles in length. The down with heavy iron rammers into a compact mass. filled with concrete and heavily rammed. The block was allowed to remain in the framework for task, therefore, of this great structure is to restrain an The bed rock foundation having… … was procured in tifically exploited, 7.—Staging and Platforms Used in Preparing and Mixing the Concrete and Wheeling it to the Dam, unlimited quanti- and hundreds of CONSTRUCTION OF THE CRYSTAL SPRINGS DAM, CALIFORNIA. ties, only a mile borings, some to a away from the depth of 100 feet, dam, from…
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