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<br />26
<br />
<br />Kansas State Board of Agriculture
<br />
<br />Other studies started and in progress are directed toward de-
<br />termining the effects reservoirs would have on various conditions of
<br />discharge and the degree of control which might be justifiably pro-
<br />vided. Figure 6 shows the results of the application of the Trading
<br />Post hydrograph to the Strawn reservoir. The inflow and outflow
<br />curves show how the reservoir would function in absorbing the peak
<br />inflow and extending the duration of outflow for different degrees of
<br />regulation. The Storage-Time curves show the volume of storage re-
<br />quired to control discharge from the reservoir to different maximum
<br />amounts. It is shown that a storage capacity of 754,000 acre-feet
<br />is required in the Strawn reservoir to reduce the discharge of the
<br />Trading Post flood from 120,000 to 20,000 cubic feet per second. The
<br />extent to which less storage capacity affords a lesser degree of regu-
<br />lation is also indicated by results of computations showing that
<br />with storage of 617,000 acre-feet, the flood peak can be reduced to
<br />30,000 cubic feet per second and with 516,000 acre-feet it can be
<br />limited to only 40,000 cubic' feet per second. The degree of regula-
<br />tion which may be justified depends on economic factors and re-
<br />mains to be determined.
<br />
<br />Other Reservoirs
<br />
<br />Another reservoir site on the Neosho river above Council Grove
<br />is being studied by the War Department and appears to have a
<br />great deal of merit. The dam site is located in sections 2 and 10,
<br />T. 16 S., R. 8 E., below Munkers creek, within a mile.upstream from
<br />Council Grove. Here, a dam storing water to a depth of 48 feet at
<br />the dam site, would create a reservoir of about 5,000 acres surface
<br />area with a capacity of nearly 100,000 acre-feet. In addition to
<br />providing flood protection to Council Grove and a substantial part
<br />of the river below, this reservoir would be extremely useful in sup-
<br />plying water' to sustain stream flow. It appears that this project
<br />should definitely be a unit of any plan of development for the
<br />Neosho basin.
<br />Two other sites which have been given some consideration by the
<br />War Department are on the Cottonwood river above the mouth of
<br />the South Cottonwood river near Marion and. on Cedar creek near
<br />Cedar Point. Neither of these sites appeared to be very promising.
<br />Consequently, the Division of Water Resources has made surveys of
<br />alternate sites in each instance, which are to be given further study.
<br />On Cedar creek a site has been selected about a mile farther up-
<br />stream, and at Marion consideration is being given to a location
<br />
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