- Acid-Drainage
An online version of the acid-drainage study at Leadville, Colorado.
http://speclab.cr.usgs.gov/PAPERS/leadville99/ldv99.html
(Added: Sun Feb 16 2003)
- Drinking-Water Quality
For local information on drinking-water quality
http://www.epa.gov/safewater/dwinfo.htm
(Added: Sun Feb 16 2003)
- EPA Drinking-Water Home Page
The Environmental Protection Agency is responsible for many aspects of water-pollution control and water-quality monitoring.
http://www.epa.gov/safewater
(Added: Sun Feb 16 2003)
- Pesticides
Environment Canada provides information on pesticides and alternatives to them.
http://www.ns.ec.gc.ca/epb/fiddle/alternat.html
(Added: Sun Feb 16 2003)
- Stream-Water Quality
One of several available papers especially relevant to this chapter is "Stream-water quality in the conterminous U.S.-Status and trends of selected indicators during the 1980s," USGS Water Supply Paper 2400 by R. A. Smith et al.
http://water.usgs.gov/public/nwsum/sal/index.html
(Added: Sun Feb 16 2003)
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