MANKATO-October 11, 2012-(KMKO)-A woman allegedly found in Sibley Park, parked in a car with a container of pot in her underwear, has entered a guilty plea. 20-year-old Corinna Nielsen pleaded guilty to a felony charge of fifth degree drug possession. Two lesser charges of marijuana possession and driving after revocation will be dropped. Nielsen admitted only to having a scale with a small amount of meth on it. The charge will be dropped if she completes probation and drug court.