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During the past 20 years, the ground-water data base of the U. S. Geological Survey has evolved from paper files in local offices, to a national data base on a central mainframe computer, to a distributed data base on a network of 49 minicomputers throughout the United States. Users in local offices have easy, inexpensive access to the distributed data base. The distributed data base has caused some problems in data management but has increased the overall quality of the data base.
Additional Publication Details
DISTRIBUTED GROUND-WATER DATA BASE OF THE U. S. G. S.
New York, NY, USA
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Irrigation Systems for the 21st Century, Proceedings of a Conference. Papers Presented at the 1987 Irrigation and Drainage Division Specialty Conference.