<br />
<br />13. Aiken, J.D., and Sup alia, R.J., 1979, Ground water mining and western water rights law: the
<br />Nebraska experience: South Dakota Law Review, v. 24, no. 3, p. 607-648.
<br />
<br />Depletion of ground water supplies due to irrigation is one of the major water
<br />policy questions facing the western States. Traditional responses have included
<br />ignoring the problem, or utilizing a supplemental water supply. Regulating ground
<br />water withdrawals has not been implemented, because it is perceived as too
<br />politically controversial. The 1975 Nebraska Ground Water Management Act (Act) is
<br />among the first administrative attempts to significantly reduce ground water
<br />withdrawals. The Act gives each local Natural Resource District (NRD) the option
<br />of regulating ground water use through the establishment of ground water control
<br />areas. Ground water controls authorized by the Act include: (1) well spacing
<br />restrictions; (2) rotation of pumping restrictions; (3) ground water allocation by
<br />establishing what quantities may be withdrawn; and (4) well drilling moratoria. In
<br />addition, an NRD may adopt other reasonable ground water controls. The Act also
<br />requires NRD's to establish and enforce regulations to control runoff from ground
<br />water irrigation. The blend of local and State responsibilities implicit in the Act has
<br />led to cooperation among State and local natural resource agencies and to an
<br />increased awareness of various aspects of ground water management.
<br />
<br />14. AI-Azzawi, S. N., 1990, An integrated approach to subsurface heterogeneity measurement for
<br />three-dimensional groundwater flow and contaminant transport modelling: Golden, Colo.,
<br />Colorado School of Mines.
<br />
<br />15. Al-Shagra, F., Al-Azzawi, S. and Turner, A.K., 1986, Application of the Genesis Lithology
<br />Qualifier (GLQ) mapping techniques to land use planning, Cherry Creek basin, Colorado, in A.
<br />D. Tryhorn, chairperson, Association of Engineering Geologists, 29th Annual Meeting; Better
<br />living through engineering geology, San Francisco, Calif., Oct. 5-10,1986: v. 29, Association of
<br />Engineering Geologists, p. 41-42.
<br />
<br />16. Allen, E.G., Bateman, A.F., Jr., Kennedy, J.P., and Allen, E.G., comps., 1979, Leasable mineral
<br />and waterpower land classification map of the Cheyenne 1 degrees by 2 degrees Quadrangle,
<br />Wyoming, Colorado, and Nebraska: U.S. Geological Survey Miscellaneous Investigations Series
<br />Map 1-1106, scale 1:250, 000, 1 p.
<br />
<br />17. Allen, E.G., and Flot, T.R., 1978, Leasable mineral and waterpower land classification map of the
<br />Sterling Quadrangle, Colorado, Nebraska, Kansas: U.S. Geological Survey Open-File Report
<br />Map 77-856, scale 1:250,000, 1 p.
<br />
<br />18. Allen, E.G., and Flot, T.R., 1980, Leasable mineral and waterpower land classification map of the
<br />Sterling 1 degrees by 2 degrees Quadrangle, Colorado, Nebraska, and Kansas (Supersedes
<br />Open-file report 77-856): U.S. Geological Survey Miscellaneous Investigations Series Map 1-
<br />1224, 1 p.
<br />
<br />19. Alley, W.M., 1979, Rainfall-runoff modeling of flow and total nitrogen from two localities in the
<br />Denver, Colorado, metropolitan area, in Storm water management model users group meeting,
<br />1978: U.s. Environmental Protection Agency, p. 41.
<br />
<br />10 Bibliography of Water-Related Studies, South Platte River Basln--Colorado, Nebraska, and Wyoming
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