USGS

County-Level Estimates of Nitrogen and Phosphorus Fertilizer Use in the United States, 1945 to 1985

USGS Open-File Report 90-130

By Richard B. Alexander and Richard A. Smith


Open-File Report 90-130 -- Text and Figures

County Fertilizer Use Data -- Digital Data from the Report and Other More Recent Sources

How to Order the Report



U.S. Department of the Interior, U.S. Geological Survey
Persistent URL: http://pubs.water.usgs.gov/ofr90130
Page Contact Information: GS Pubs Web Contact
Last modified: Friday, January 11 2013, 04:24:45 AM
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