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Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska / by Robert A. Pettijohn and Hsiu-Hsiung Chen (Water-resources investigations ; 84-4046)

Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska / by Robert A. Pettijohn and Hsiu-Hsiung Chen (Water-resources investigations ; 84-4046)
Microform図書
1984<YCA-I 19.42/4:84-4046>
National Diet Library
  • Author HeadingPettijohn, Robert A Chen, Hsiu-hsiung Geological Survey (U.S.)

Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas / by A.D. Druliner, H.H. Chen, and T.S. McGrath. (Water-resources investigations report ; 95-4202)

Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas / by A.D. Druliner, H.H. Chen, and T.S. McGrath. (Water-resources investigations report ; 95-4202)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME345-A167>
National Diet Library
  • Author HeadingDruliner, A. D. Chen, Hsiu-Hsiung, 1937- McGrath, Timothy S. Ge...

Hydraulic conductivity, specific yield, and pumpage--High Plains aquifer system, Nebraska / Department of the Interior, United States Geological Survey ; by Robert A. Pettijohn and Hsiu-Hsiung Chen (Water resources investigations ; report 82-4014)

Hydraulic conductivity, specific yield, and pumpage--High Plains aquifer system, Nebraska / Department of the Interior, United States Geological Survey ; by Robert A. Pettijohn and Hsiu-Hsiung Chen (Water resources investigations ; report 82-4014)
Microform図書
1983<YCA-I 19.42/4:82-4014>
National Diet Library
  • Author HeadingGeological Survey (U.S.) Pettijohn, Robert A Chen, Hsiu-Hsiung, 1937-

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