Unremitting research and far-
Representation of the River Mississippi
REPRESENTATION OF THE RIVER MISSISSIPPI, showing, in the foreground, the Yazoo River area, in the United States Waterways Experiment Station at Vicksburg, Mississippi. The model of the river represents a total length of ninety-
Reinforced Concrete Reservoir Being Built
REINFORCED CONCRETE RESERVOIR being built 1,000 feet above the power station to take water pumped up by the turbines when electric current is not required for driving the mill machinery. The reservoir is in the form of a huge box some 192 feet square and 15 ft 6 in deep. The side walls taper in thickness from 21 inches at the base to 8 inches at the top. The rate of taper is not uniform.