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:
Page Contact Information: Contact USGS
Last modified: Friday, January 11 2013, 04:24:45 AM
FirstGov button  Take Pride in America button