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- This CD-ROM contains geochemical data for the conterminous
- Western United States collected during the Hydrogeochemcial
- and Stream Sediment Reconnaissance (HHSR) survey of the
- National Uranium Resources Evaluation (NURE) program. The
- data are from the National Geochemical Data base maintained
- by the USGS. Samples were collected from 153 quadrangels (1
- X 2 degrees) in 1976-80. There are nearly 400,000 records
- representing four main sample types: stream sediments,
- soils, surface water, and ground water.
-