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.