The National Park Service explains decisions, documents information, and shares knowledge through a variety of publications, many of which are available online. This online library includes both contemporary and historical reports.


NPS Public Databases

(may be useful for casual browsers or serious researchers)

  • eTIC: The Technical Information Center's database and collection contains documents and drawings that are used in the planning, development, construction, modification, and repair of buildings and facilities in the parks.
  • IRMA: The Integrated Resource Management Applications (IRMA) Portal provides access to a number of NPS applications that store natural and cultural resource information, such as:
    • Data Store: Natural and cultural resource documents and datasets
    • NPSpecies: Occurrence and status of species in more than 300 national parks
    • Park Visitor Use Statistics: Historic, current, and forecasted visitor use
  • NPGallery: NPGallery features NPS digital media including photos, documents, drawings, audio, video, maps, and GIS images.
  • NPS Library Information Center: This is a portal to library resources across the NPS, including a centralized catalog that contains materials stored at individual park and regional libraries.
  • National Register of Historic Places: The National Register lists the nation's historic places worthy of protection.

Additional Publications


The National Park Service is committed to providing access to our web pages for individuals with disabilities. To meet this commitment, this site is built to comply with the requirements of Section 508 of the Rehabilitation Act. Section 508 requires that individuals with disabilities, who are members of the public seeking information or services from us, have access to and use of information and data that are comparable to that provided to the public who are not individuals with disabilities, unless an undue burden would be imposed on us. Section 508 also requires us to ensure that federal employees with disabilities have access to and use of information and data that are comparable to the access to and use of information and data by federal employees who are not individuals with disabilities, unless an undue burden would be imposed on us.

Copyright, Restrictions, and Permissions Notice

Government information on NPS websites is generally in the public domain. Public domain information may be freely distributed and copied, but it is requested that in any subsequent use the National Park Service information be given appropriate acknowledgement. When using NPS websites, you may encounter documents, illustrations, photographs, or other information resources contributed or licensed by private individuals, companies, or organizations that may be protected by U.S. and foreign copyright laws. Transmission or reproduction of protected items beyond that allowed by fair use as defined in the copyright laws requires the written permission of the copyright owners. Please note that you are responsible for determining whether your use is fair and for responding to any claims that may arise from your use.

Images on our website that are in the public domain may be used without permission. If you use images from our website, we ask that you credit "National Park Service" as the source. Please note that some images on our site may have been obtained from other organizations. Permission to use these images should be obtained directly from those organizations. Contact the host park or program to ascertain who owns the material.

NPS websites have links to many other websites. Once you access another site through a link that we provide, you are subject to the copyright and licensing restrictions of the new site.

Last updated: May 15, 2024