http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Protocol for monitoring environmental contaminants
Great Lakes inventory and monitoring network
1 online resource (xv, 46 pages) : color illustrations, color maps.
Bill Route, William Bowerman, and Karin Kozie.
"Experience your America"--Page 4 of cover.
Includes bibliographical references (pages 35-40).
Great Lakes Inventory and Monitoring Network (U.S.)