FOIA Library

NPS Policy, Directives, and Administrative Manuals

National Park Service Unit List

Department of the Interior Final Opinions and Adjudications

Frequently Requested Documents

History e-Library. Contains thousands of electronic publications covering the history of the National Park Service and the units comprising the National Park System.

Integrated Resource Management Applications (IRMA). This portal provides easy access to National Park Service applications that manage and deliver resource information to parks, partners and the public.

Park Planning Documents. Current and completed NPS planning projects.

Inventory of the Records of the National Park Service Record Group 79 Held in the National Archives in College Park Maryland (as of 2007)


Technical Information Center (TIC). The oldest and largest information system in the National Park Service. TIC is the central repository for proper retention, access, and disposition of NPS records that include drawings, specifications, scientific, and technical reports.

National Park Service Record Retention Schedules


Last updated: April 24, 2024