R
Richard B. Alexander
4 works on record
Works

Nitrogen loading in coastal water bodies
County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985
County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985
Data from selected U.S. Geological Survey national stream water-Quality Monitoring Networks (WQN) on CD-ROM
Data from selected U.S. Geological Survey national stream water-Quality Monitoring Networks (WQN) on CD-ROM
Data from selected U.S. Geological Survey national stream water-quality monitoring networks (WQN)
Data from selected U.S. Geological Survey national stream water-quality monitoring networks (WQN)