The Interior Library is open to Department of the Interior 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.
Departmental employees may check materials out of the Library. Other members of the public may use Library materials on the premises.
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.