USGS

Water Quality in the Western Lake Michigan Drainages, Wisconsin and Michigan, 1992-95

Levels of Some Naturally Occurring Chemicals Have the Potential to Affect Human Health and Aquatic Life Figures


Stream
The chemical composition of natural water is primarily derived from the dissolution of minerals in surficial deposits and bedrock.

Return to the Levels of Some Naturally Occurring Chemicals Have the Potential to Affect Human Health and Aquatic Life


This page is a subpage of URL: <http://water.usgs.gov/pubs/circ1156>
Last modified: Thu Jul 2 14:57:45 1998