There are no use or borrowers' fees. The library does not loan books or periodicals. The library does provide photocopy service. Only previously published material may be copied at the rate of .15 per page. The Museum has a limited number of books relating to Trinity County local history, as well as a file of documents categorized and indexed by subject matter.
Historical research is permitted by appointment only.
Photocopy of original papers is not permitted - they remain the property of the Trinity County Historical Society. Library is open to the public for on-site use only. There are no use fees. The library does not loan books or periodicals. The library does provide interlibrary loan service with the main library in Salt Lake City, Utah.