Preferred Forms
- 100 1 _ ‡a Capel, Paul D
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- 100 1 _ ‡a Capel, Paul D. (sparse)
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- 100 1 _ ‡a Capel, Paul D.
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- 100 1 0 ‡a Capel, Paul D.
Works
Title | Sources |
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Connections between agriculture and water quality | |
Nitrogen in the Chesapeake Bay watershed : a century of change, 1950-2050 | |
Pesticides in streams of the United States--initial results from the National Water-Quality Assessment Program | |
Pesticides in surface waters : distribution, trends, and governing factors | |
Pesticides in the atmosphere, 1995: | |
The quality of our nation's waters | |
Selected data from field studies of pesticide runoff to surface waters |