Zebra Mussels pop up in another Minnesota lake...this time in Alexandria.The Minnesota department of natural resources says a residentFound one mussel attached to a coffee can in the northeast corner of Lake Le Homme Dieu this past week.The DNR will designate the lake as infested if its own survey finds live zebra mussels there.They're concerned because that lake is one of the more popular ones in the Alexandria area, and it's connected to several others.They're urging boaters and anglers to take extra precautions.