Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 /
Kalkhoff, Stephen J.
Geological Survey (U.S.)
[Reston, VA] : U.S. Geological Survey,
2000.
Shipping list no.: 2001-0245-P.
Includes bibliographical references (p. 30-31).
Water quality
Water quality
Watersheds
Watersheds
Also available via Internet from the USGS Web site (PDF file only). Address as of 7-11-01: http://water.usgs.gov/pubs/circ/circ1210/pdf/Circular1210.pdf; current access is available via PURL.