"High Plains" . . . . . . . "Summary of the High Plains regional aquifer-system analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas and Wyoming" . . "Publications officielles" . . . . . . . "Summary of the High Plains Regional Aquifer-System Analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming" . . . "Summary of the high plains regional aquifer-system analysis in parts of Colorad, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming" . . "Summary of the high plains regional aquifer-system analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming" . . "Summary of the High Plains regional aquifer-system analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming" . . . . . . . . . . "Geological Survey (U.S.)," . . "US Geological Survey." . . "Acuíferos Estados Unidos Grandes Llanuras." . . "United States" . . "Grundwasserleiter" . . "High Plains Aquifer." . . . .