Water-Resources Investigations Reports - 1987 to 1994

   Kastner, W.M., Schild, D.E., and Spahr, D.S., 1989, Water-level
      changes in the High Plains aquifer underlying parts of South
      Dakota, Wyoming, Nebraska, Colorado, Kansas, New Mexico, 
      Oklahoma, and Texas--Predevelopment through nonirrigation 
      season 1987-1988: U.S. Geological Survey Water-Resources
      Investigations Report 89-4073, 61 p.

   Dugan, J.T., Schild, D.E., and Kastner, W.M., 1990, Water-level
      changes in the High Plains aquifer underlying parts of South
      Dakota, Wyoming, Nebraska, Colorado, Kansas, New Mexico,
      Oklahoma, and Texas--Predevelopment through nonirrigation
      season 1988-89: U.S. Geological Survey Water-Resources
      Investigations Report 90-4153, 29 p.

   Dugan, J.T., and Schild, D.E., 1992, Water-level changes in the
      High Plains aquifer--Predevelopment to 1990: U.S. Geological
      Survey Water-Resources Investigations Report 91-4165, 55 p.

   McGrath, T.S., and Dugan, J.T., 1993, Water-level changes in the
      High Plains aquifer--Predevelopment to 1991:  U.S. Geological
      Survey Water-Resources Investigations Report 93-4088, 53 p.

   Dugan, J.T., McGrath, T.S., and Zelt, R.B., 1994, Water-level
      changes in the High Plains aquifer--Predevelopment to 1992:
      U.S. Geological Survey Water-Resources Investigations Report 
      94-4027, 56 p.
   
   Dugan, J.T., and Cox, D.A., 1994, Water-level changes in the 
      High Plains aquifer--Predevelopment to 1993: U.S. Geological
      Survey Water-Resources Investigations Report 94-4027, 60 p.

   Dugan, J.T., and Sharpe, J.B., 1996, Water-level changes
      in the High Plains aquifer--Predevelopment to 1994: 
      U.S. Geological Survey Water-Resources Investigations Report
      95-4208, 1 sheet.

          Kathy Wilson
          406 Federal Building
          100 Centennial Mall North
          Lincoln, Nebraska 68508
          Telephone: (402) 437-5663 
          Fax: (402) 437-5139
          E-mail: kewilson@usgs.gov