2006 Lake Assessment of Lake Seven (Scalp) (56-0358) Otter Tail County, Minnesota Image Date Issued 2007-05 Author Kelly O'Hara Steve Heiskary Main Topic Water Monitoring & Assessment
Reference Lake and Trend Monitoring Summary for Isanti County, Minnesota Image Date Issued 1999 Author Heiskary, Steve Klang, Jennifer Main Topic Surface Water Water Quality & Pollutants Water Use & Availability Water Conveyance & Hydraulics
