DNR says experimental treatment to kill zebra mussels failed
FERGUS FALLS, Minn. -- The Minnesota Department of Natural Resources says a new treatment failed to kill zebra mussels in two lakes.
The DNR used copper sulfate, a chemical commonly used to treat lakes for swimmers' itch, to treat Lake Irene in Douglas County and Rose Lake in Otter Tail County.
Are you a newspaper subscriber but you don't have a Digital Access account yet? https://secure.forumcomm.com/?publisher_ID=40&event=subscriber/lookup.
You will need your subscription account number and phone number. Not sure if you have an account? Email us at firstname.lastname@example.org and we can help you.