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Displaying 1-1 of 1 results for author "Alexander, Richard B."
County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985 [microform] / by Richard B. Alexander and Richard A. Smith.
- Text
- Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Books and Open-File Reports [Section, distributor], 1990.
- 1990
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