You will likely need to file to evict her. You can do that by going to the local court and asking them for a copy of pleadings filed by a lawyer in another eviction case and using those as a form or by buying the forms at a place like this site
or at http://www.nupplegal.com/eviction/neeviction.html
After you fie the eviction notice and have her served you will have to have a hearing and produce proof that it is your property. You can do this by things like utility bills or a copy of the rental agreement, etc.
Once the judge rules in your favor he will give her a certain period of time to leave and if she doesn't then the judge can order the police to remove her.
Thank you for allowing me to assist you. As you know, we work on the honor system here and cannot always provide you answers that you like. I believe I have answered all of the questions you asked so I would request that you please click the ACCEPT button so I receive credit for my work and leave feedback if you have a chance. Please consider clicking "BONUS" as a nice way of saying "thanks" for a job well done, although this is neither required nor expected. I believe in giving information that is to the point, but please remember that I can only base our answers on the information you provide and sometimes a misunderstanding as to what you are looking for or already know occurs so feel free to ask additional questions or for clarifications. Please be aware that my answer is not legal advice, it is merely information. You should always contact a local attorney for legal advice.
Several customers have asked how they direct a question to me in particular. If you specifically want me to provide information for you just put “FOR JD 1992” in the subject line and I will pick up the next time I am online.