U.S. Geological Survey

U.S. Geological Survey Professional Paper 1648

Geochemical Landscapes of the Conterminous United States -- New Map Presentations for 22 Elements

By N. Gustavsson, B. Bølviken, D.B. Smith, and R.C. Severson


Version 1.1

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This PDF file contains a correction to a typographic error that is present in the printed version of this report. Equation (3), which is located on the page numbered "5", was missing a "plus sign" in the denominator in the printed version. Equation (3) is this PDF file is correct.

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