of 6 inches per hour. The conditions for delivery are still more unfavorable. The city is built on an river below the city, is alluvial plain, six miles in width, lying between the essential. Mississippi River and Lake Pontchartrain. The plain The lowest part of the city is Broad Street, which has… … the surface of the streets next to the sidewalks. into a main canal on Broad One of the Movable Concrete Mixers. There is so little slope to them that when the heavy Street by a system of lat- rains occur the streets are flooded. Much of the erals on each. side. These THE NEW DRAINAGE AND SEWERAGE…
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