National Register Information System

The National Register Information System (NRIS) is a database of properties that have been listed on the United States National Register of Historic Places. The database includes more than 84,000 entries of historic sites that are currently listed on the National Register, that were previously listed and later removed, or that are pending listing.^[1] The database includes approximately 45 pieces of data for each listed property.^[2] Accuracy of the NRIS database may be imperfect. For example, a 2004 paper addressed accuracy of spatial location data for part of the NRIS content.^[3]

^ "Introduction—Documentation". National Park Service. Retrieved 2013-06-15.
^ "Chapter 18: Searching for Women in the National Register of Historic Places". Restoring Women's History Through Historic Preservation. Johns Hopkins University Press. 2003. p. 303. ISBN 9780801870521.
^ Nicole Edwards; Kevin Kuhn; Kurt Donaldson (June 2004). "Digital Conversion, Accuracy Improvement, and Product Generation for the National Register of Historic Places in West Virginia" (PDF).

[Documentation-1] "Introduction—Documentation". National Park Service. Retrieved 2013-06-15.

[women-2] "Chapter 18: Searching for Women in the National Register of Historic Places". Restoring Women's History Through Historic Preservation. Johns Hopkins University Press. 2003. p. 303. ISBN 9780801870521.

[3] Nicole Edwards; Kevin Kuhn; Kurt Donaldson (June 2004). "Digital Conversion, Accuracy Improvement, and Product Generation for the National Register of Historic Places in West Virginia" (PDF).

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