Actions for Ground water recharge in the High Plains states, and delivery of water to the North Platte irrigation project. [Part 1], September 29, 1983 : hearing before the Subcommittee on Water and Power of the Committee on Energy and Natural Resources, United States Senate, Ninety-eighth Congress, first session on S. 1811, a bill to authorize and direct the Secretary of the Interior to engage in a special study of the potential for groundwater recharge in the High Plains states, and for other purposes : H.R. 71, an act to authorize and direct the Secretary of the Interior to engage in a special study of the potential for groundwater recharge in the High Plains states, and for other purposes : S. 1590, a bill to clarify the contractual authority of the Secretary of the Interior to deliver water to the North Platte Irrigation District project