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<br />00003S <br /> <br />data was furnished for each station as requested. Prelininar; quality <br />investigations of ground waters in six areas nOli under study were coo- <br />pleted for inclusion in the preliminary ground-lIater reports. <br /> <br />Heas'lI'e!:lents of the sediment discharge of tributary strear.ls at <br />43 conprehensivc and 12 miscellaneous stations continued. Advance <br />information on daily sedinent concentrations and discharges and on <br />particle si~e data were furnished as roquested to all interested <br />agencies. <br /> <br />The nap on the folloHing page shows the location of quality of <br />water and sediment stations in the Missouri River Basin and those <br />installed during fiscal year 1948. <br /> <br />Preliminary ~odel tests and construction plans of the structure <br />to be installed in the Middle Loup River near Dunning, Nebrasl:a, for <br />the measurement of sediment transported aa bed load were completed. <br />Prelimina!3' arrangements Here also made for degradation-aggradation <br />studies in the Loup and Republican River Basins. <br /> <br />Water Utilization: The follol/ing studies were com?leted and <br />sent to WashinGton for review and publication: <br /> <br />1. Ga~ing station records in the Missouri Rlver Basin This <br />report is ccnposed of two sections; the first contains basic <br />data for 945 gaging stations; ths second seotion shows by <br />moans of bar charts the availability of rocords at 1,561 <br />gaging stations plus a ahort text of explanation and discussion. <br /> <br />2. Dischsr~e of stroans and runoff in tho Missouri River Basin <br />This ro)ort contains maps of aversc;c and minimum annual run- <br />off, averaGe disc~arge of atreans, and distribution of runoff <br />by months Hith a text and explanation. <br /> <br />Studios enunerated below lIero in proc;rcss during all or part <br />of the fiscal year: <br /> <br />1. Discharge of suspended sedll~ent and bed chanacs at gaging <br />stations on the Mis~ouri River fron I/illiston. North Dakota, <br />to Omaha, Nebraska. <br /> <br />2. DischarGe 0f suspended sediment of the Wind River at <br />Rivel'ton, \fyomina_ <br /> <br />.' <br /> <br />3. .Trends in the rainfall runoff relationship for areas in <br />the ~lissouri River Basin. <br /> <br />. <br /> <br />Investigations l/ere conducted undor the soil and moisture <br />program as folIous: <br /> <br />69 <br />