ad beei; throughout the district in canal construction. In ally put in. The elevation of the prairies above the grown for many years for home consumption, but nearly every township there are one or more ridges streams varies from 6 to 38 feet, the larger portion by Oriental methods, was well suited… … by 4 or 5 feet. These the head of the surface Excavating Channel for a Lateral Canal. levees were usually 12 canal. In several por- to 24 inches high, and tions of Louisiana it is the interior ditch was 12 to 18 inches deep, and 4 or 5 necessary to construct flumes to feed the canal owing streams…
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