Sentinel Lake Assessment Report South Twin Lake (44-0014) Mahnomen County, Minnesota Image Date Issued 2012-04 Author O'Hara, Kelly Heiskary, Steve Valley, Ray Erickson, Mandy Main Topic Water Monitoring & Assessment
Sentinel Lake Assessment Report Hill Lake (01-0142) Aitkin County, Minnesota Image Date Issued 2010-06 Author O'Hara, Kelly Valley, Ray Bruesewitz, Rick Main Topic Water Monitoring & Assessment
Sentinel Lake Assessment Report Ten Mile Lake (11-0413) Cass County, Minnesota Image Date Issued 2010-08 Author O'Hara, Kelly Heiskary, Steve Valley, Ray Shavlik, Calub Main Topic Water Monitoring & Assessment
Sentinel Lake Assessment Report Elk Lake (15-0010) Clearwater County, Minnesota Image Date Issued 2011-06 Author O'Hara, Kelly Heiskary, Steve Valley, Ray Habrat, Mike Main Topic Water Monitoring & Assessment
Sentinel Lake Assessment Report Portage Lake (29-0250) Hubbard County, Minnesota Image Date Issued 2009-07 Author O'Hara, Kelly Heiskary, Steve Kingsley, Doug Valley, Ray Main Topic Water Monitoring & Assessment
