Plan a Visit to the Interior Library

The Interior Library is open to DOI employees and to the Public (with a photo ID) from 7:45 a.m. to 5:00 p.m. Monday through Friday (except Federal holidays).

Only Departmental personnel are allowed to check materials out of the Library.

U.S. Department of the Interior employees throughout the nation have access to the services and collections of the Library either on site or by requesting assistance by telephone, email, fax, or mail. Field personnel may request items via Interlibrary Loan for postal delivery. The public may use Library materials on the premises.