Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 454
oss the stream and secure the up-stream side with an earth of loamygravel puddled Avith water to the consistence of mortar or rammed in, the topwhere the water is to flow over or through being protected by tight planking,around or beneath which the water can not leak. Lake McMillan dam, built… … Fig. 1040. showing its construction, a heavy rock fill with a puddle slope in reservoirfront. There is an ample spillway or waste channel by which all surplus waterwill be discharged, wdth no flow over the dike. The South Fork, Pa., dam,similar in construction to the above, gave way from a flow…
Mechanical drawing
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