{"nrhp_refnum":"89001063","name":"Mayfield Fortification (44PW226)","other_names":["44pw226"],"category":"structure","location":{"address":null,"address_restricted":true,"city":"Manassas","county":"Prince William County","state":"VA","lat":38.753,"lon":-77.452,"geom_source":"wikidata"},"listed_date":"1989-08-08","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Historic - Non-Aboriginal","Military"],"significance_levels":["local"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/89001063/450094a9e6-800.webp","url_1600":"https://nationalhistoricalregister.com/media/89001063/450094a9e6-1600.webp","licence":"CC BY-SA 3.0","author":"Jerrye &amp; Roy Klotz, MD","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:MAYFIELD_FORTIFICATION,_PRINCE_WILLIAM_COUNTY.JPG\" rel=\"noopener\">Jerrye &amp;amp; Roy Klotz, MD</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:MAYFIELD_FORTIFICATION,_PRINCE_WILLIAM_COUNTY.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/41678889","wikipedia":"https://en.wikipedia.org/wiki/Mayfield_Fortification","wikidata":"https://www.wikidata.org/wiki/Q17020735"},"indexable":true,"url":"https://nationalhistoricalregister.com/virginia/prince-william-county/mayfield-fortification-44pw226-89001063/"}