Severson, R.C., Wilson, S.A. (1990). Assessment of geochemical variability and a listing of geochemical data for surface soils of eastern North Dakota and parts of northeastern South Dakota and northwestern Minnesota. United States Geological Survey, Open File Report 90-310, 58 p.
Some or all of the raw data associated with this publication have been loaded into the "Canadian Database of Geochemical Surveys" and subsequently converted into easy-to-use MS Excel spreadsheets. Follow the links in the "Survey Coverage" section below to determine exactly what data are available.
Soil sampling survey, North Dakota, South Dakota, northeastern Minnesota, USA, 1988. (more)
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