{"nrhp_refnum":"74002327","name":"Oatlands Historic District","other_names":["See Also:Oatlands"],"category":"district","location":{"address":"S of Leesburg off U.S. 15","address_restricted":false,"city":"Leesburg","county":"Loudoun County","state":"VA","lat":39.03934600650007,"lon":-77.62257021853813,"geom_source":"nps_gis"},"listed_date":"1974-05-03","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Landscape Architecture","Commerce","Agriculture","Historic - Non-Aboriginal","Architecture"],"significance_levels":["state"],"summary":{"what_it_is":"An expanded historic district of about 947 acres near Leesburg in Loudoun County, Virginia, that takes in the operational center of George Carter's Oatlands plantation. It includes the Oatland Mills site, the Mountain Gap School and the Church of Our Savior, along with surrounding open space.","why_significant":"The expansion brings in lands and structures historically tied to Carter's plantation, creating a contiguous and visually integrated landscape. The mill site documents Carter's business operations and a small crossroads community. The school was the last operating one-room school in Loudoun County, and the church reflects the local rural community of the late 1800s.","narrative":"Southwest of Leesburg, this 947-acre district in Loudoun County extends the setting of George Carter's Oatlands plantation. Earlier protection covered the main house and about 300 acres; later gifts and easements tripled the area to preserve the open landscape. Three sites are described. Oatland Mills, on Goose Creek, survives as stone and brick fragments and traces of the mill race. A surviving ledger from 1816 to 1825 records Carter's milling and other services, and the mill was destroyed about 1905. Mountain Gap School is a small red one-room building, apparently from the late nineteenth century, and was the last operating one-room school in the county when it closed in 1953. The Church of Our Savior, an Episcopal brick church consecrated in 1878, keeps a gallery above its west entrance. Together they formed a small crossroads community and show how the plantation operated.","period_of_significance":null,"architect_builder":null,"architectural_style":null,"criteria":[],"status_note":"Condition is stated as excellent and unaltered. The mill is a ruin of foundations and fragments; the school is a museum; the church is an active congregation's building.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:51:57.851367-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/26/6815/41681526/content/electronic-records/rg-079/NPS_VA/74002327.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/74002327/125f9e0aae-800.webp","url_1600":"https://nationalhistoricalregister.com/media/74002327/125f9e0aae-1600.webp","licence":"CC BY-SA 4.0","author":"Acroterion","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Church_of_Our_Savoir,_Oatlands,_VA1.jpg\" rel=\"noopener\">Acroterion</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Church_of_Our_Savoir,_Oatlands,_VA1.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/41681526","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q49534548"},"indexable":true,"url":"https://nationalhistoricalregister.com/virginia/loudoun-county/oatlands-historic-district-74002327/"}