The Minnesota Department of Natural Resources has received an application for a permit to install and operate an aeration system in Crystal Lake in the city of Prior Lake.

The purpose of the proposed system is to prevent winterkill of fish. Interested parties can mail their comments to: Dirk Peterson, Regional Fisheries manager, 1200 Warner Road, St. Paul, MN 55106, or call (651) 259-5831.

Comments will be accepted until Dec. 28.