tures, steam largely into the successful use of the agency of water fields is relatively much farther in miles than to our vessels and some domestic purposes. in sinking either piles or cylinders. At this point the present base of supplies in Washington and also in These coal deposits embrace a… … total for the State of 67,247 tons, minutes was made. The water pres- HYDRAULIC CAISSON SINKING FOR FOUNDATION PIERS. valued at $155,620. In 1893 the total sure in the pipes varies, according to production was 72,603 tons and the the depth, from 25 to 150 pounds. total value $167,555.—Min. and Sci.…
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