Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 456
Fig. 1042. … Fig. 1043 is the section of a crib-dam in northeastern Colorado for thepondage of water for the purposes of irrigation. The crib-work is of roundlogs, 10 at least in diameter, joined at the end as in ordinary log huts, with 440 ENGINEERING DRAWING. dovetail or tongue. Each crib is 18 feet long on…
Mechanical drawing
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