Ground-water conditions in the proposed waterfowl refuge area near Chapman, Nebraska

Abstract

Previous investigations-________________________________________ 2 Methods of investigation.______________________________________ 4 Personnel arid acknowledgments_____-___________-__-__-_-_-___-5 System used in numbering wells and test holes____________________ 6 Geography______________________________________________________ 6 Climate._____________________________________________________ 6 Soils-______________________________________ 7 Natural vegation______________________________________________ 9 Geology._________________________________________________________ 9 Physical and hydrologic properties of the rock materials._______________ Laboratory methods of analysis____________-_____________-___-_-Permeability _ _______________________________________________ Characteristics of the surficial sediments________________________ Characteristics of the water-bearing materials _________________________ Transmissibility _ _ _____________________________________________ Specific yield________________________________________________ Ground water _____________________________________________________ Principles of occurrence________________________________________ Fluctuations of the water table________________________________ Fluctuations caused by precipitation_________________________ Fluctuations caused by evapotranspiration__________________ Fluctuations caused by the Platte River_____-_____-_-_-_ Relation of fluctuations to recharge and discharge.____________ Rate and direction of movement of ground water ________________ Depth to water_____________________________________________ Groundwater discharge___-_________________-_-_____-_-_-_-_-Wells. ____________________________________ Domestic supplies.____________________________________ Irrigation supplies-____________________________________ Transpiration and evaporation_____________________-_-___-Chemical quality of the water, by P. G. Rosene___________-__-Chemical composition of the water____________________________ 28 Water quality in relation to use_________________________________ 33 Conclusions______________________________________________________ Selected references_________________________________________________ 55 ni Page TABLE 1. Coefficient of permeability of water-bearing materials from test hole 12-8-27dd, Merrick County.___________________ E16 2. Coefficient of permeability of water-bearing materials from test hole 11-8-ldd, Hamilton County_________________ 17 3. Chemical analyses of ground water._______________________ 4. Chemical analyses of surface waters-______________________ 5. Chemical and physical data for Wood River near Chapman. _ 6. Periodic water-level measurements in selected wells in the Chapman area, Nebraska.______________________________ 7. Logs of test holes_-_-___________________________________ 8. Logs of auger holes__-____-______________________________ 9. Coefficient of permeability of water-bearing materials from auger holes in the Chapman area______________________ 10.