Andy Alm,
Contributing Author (On-Line Learning),
Institute for Global Communications
This project has been funded by the United States Environmental Protection Agency under assistance agreement number EPA-G-NT901935-01-0 to the University of Michigan School of Natural Resources and Environment. School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109-1115; 313 998-6726
ISBN 1-884782-11-6
The contents of this document do not necessarily reflect the views and policies of the United States Environmental Protection Agency, nor does mention of trade names or commercial products constitute endorsement or recommendation for use. <c> Copyright 1994 by the Regents of the University of Michigan. Educators may reproduce these materials for the non-commercial purpose of educational advancement.