765 ILCS 505/3

The person so appointed shall have the right, at all reasonable times, to descend into such mine and make such examinations and surveys; and whoever shall willfully obstruct or hinder such person from entering into any such mine, or any gallery or place therein, or from making any such examination or survey, shall be guilty of a petty offense. Any person accepting any such appointment, and failing or refusing to make such survey upon the request of the plaintiff, may be proceeded against as for a contempt of court, or he may be fined not exceeding $500.