This might not be the best forum for legal assistance. Emancipation is a huge step, and carries burdens beyond what a 16 year old might be prepared for. Like others mentioned, it's a matter of state law, and really the minor may not be prepared to make all the decesions as an adult. It's generally not reversable.
Her best step might be to petition the courts if she feels strongly about the visits, or arrange a different place.
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Integrity. With it, nothing else matters. Without it, nothing else matters.