Open-File Report 90-130

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

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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/of/1990/ofr90130/ Page Contact Information: USGS Publishing Network Last modified: Friday, January 11 2013, 04:24:45 AM

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

USGS Open-File Report 90-130
By Richard B. Alexander and Richard A. Smith