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The Ogallala is an unconfined fresh-water aquifer extending from just north of the Nebraska-South Dakota border to the southern edge of the Texas High Plains. The areal extent of the aquifer includes the eastern tier of counties in Colorado and New Mexico, the western third of Kansas, three counties in Oklahoma, the greater part of the state of Nebraska and the Texas "panhandle." The area assumed to overlie the aquifer adjusted to county lines is shown in Figure 1! Discontinuous segments of the Ogallala Aquifer have also been identified in other areas such as central Kansas and south-eastern Colorado and Wyoming. The aquifer may also stretch into counties adjoining the study area; the northern edge of the aquifer, for example, is actually located in South Dakota but the aquifer is of minor economic significance in these regions.
Center for Agricultural and Rural Development, Iowa State University
Agricultural and Resource Economics | Agricultural Economics | Economics | Oil, Gas, and Energy | Water Resource Management
Center for Agricultural and Rural Development, Iowa State University; Short, Cameron C.; Turhollow, Anthony F. Jr.; Heady, Earl O.; and Lee, Kun C., "Regional impacts of groundwater mining from the Ogallala Aquifer with increasing energy prices 1990 and 2000" (1981). CARD Reports. 98.