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A Digital-Computer Model of the Big Sioux Aquifer in Minnehaha County, South Dakota
From purpose and approach of study: The purpose of this study was to develop a predictive model of the ground-water system for use as a management tool. The model will be used by State and local officials in evaluating the effects of alternative methods of controlling or developing the ground-water resources of the Big Sioux aquifer in Minnehaha County.
Date:
October 1982
Creator:
Koch, Neil C.
System:
The UNT Digital Library
Evaluation of the Response of the Big Sioux Aquifer to Extreme Drought Conditions in Minnehaha County, South Dakota
From purpose and approach of study: The purpose of this study was to use the digital-computer model developed from the previous study (Koch, 1982) to examine the effects on the aquifer of a pumping rate of 25 million gallons a day under the worst-drought conditions that occurred during 1974-78. A frequency rating was determined for the most severe low-flow condition in the Big Sioux River.
Date:
1983
Creator:
Koch, Neil C.
System:
The UNT Digital Library
Pathfinder Atomic Power Plant Technical Progress Report: October 1, 1958-December 31, 1958
Introduction: This is the fifth of a series of reports covering technical progress on the research and development program being performed in connection with the design of the Pathfinder Atomic Power Plant.
Date:
April 18, 1955
Creator:
Allis-Chalmers Manufacturing Company
System:
The UNT Digital Library