This in-person session is June 28 from 9:30-11:00 am at the Cass County Land Office, 218 Washburn Avenue E, Backus, MN 56435

Dr. Bruce R. Carlson, a retired professor from the University of Michigan Medical School, will lead the session addressing:

• An overview of how a typical area lake is put together and how it functions
• Numerous underwater videos that paint a vivid picture of the fascinating activities of many of the aquatic inhabitants of the lake
• How zebra mussels and Eurasian water milfoil affect the ecology of a lake.

Dr. Carlson has written two books on lakes and a new one on aquatic invasive species.  An avid fisherman, for 25 years, he wrote articles for In-Fisherman magazine.