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johannes j devries
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Shrublands in California
Johannes J. DeVries · Water Resources Center, University of California, Davis
15 sayfa · 1984
Shrublands / Abstracts / Shrubland ecology
Protecting drinking water quality at the source
Johannes J. DeVries, California Water Resources Center · California Water Resources Center, University of California
208 sayfa · 1991
Drinking water / Standards / Congresses / Water quality management / Watershed management
Making the connections
Johannes J. DeVries, California. Department of Water Resources · University of California Press
197 sayfa · 1996
Groundwater / Congresses
California watersheds at the urban interface
Johannes J. DeVries, Susan G. Conrad, California Water Resources Center, California) Watershed Conference (3rd 1990 Ontario · California Water Resources Center
193 sayfa · 1991
Watershed management / Congresses / Water conservation