{"id":710,"slug":"jervis-langdon-new-york","story":[{"heading":null,"paragraphs":["Langdon is the coal — the 'anthracite' that's the mines to Chicago, the 'Elmira' that's the '45 settled. The 'Park Church' is the founded — the 'antislavery split' that's the '46, the 'Beecher' that's the pastor later. The 'Jones' is the ally — the 'John W.' that's the worked with, the 'financier' that's the funded the line.","The 'Olivia' is the daughter — the 'Twain's wife' that's the '70 married, the 'Quarry Farm' that's the wrote Tom Sawyer. The 'demolished' is the '39 — the 'shopping center' that's the Langdon Plaza, the 'stereographs' that's the all that remain. Langdon is the money — the 'freedom's funder' that's the Underground's bankroll, the 'Elmira College' that's the first women's degrees.","The file keeps Langdon: the coal fortune, Park Church, Jones's funding, and the razed mansion.","Jervis Langdon is the archive's New York file — Twain's abolitionist father-in-law."]},{"heading":"Why this file matters","paragraphs":["Jervis Langdon is the archive's New York file — the bankroll of freedom.","A mansion keeps its stereographs — the file's suggestion being that Langdon's hold is the funded: the 'coal' that's the paid for conductors, the 'Jones' that's the ran the line, and the 'razed' that's the left only photographs and Quarry Farm."]}],"name":"Jervis Langdon","aliases":[],"type":"HISTORIC_SITE","type_label":"Historic Site","cats":["DARK_HISTORY","UNDERGROUND_RAILROAD_HISTORY","AFRICAN_AMERICAN_HISTORY","HISTORIC_SITE","UNDERGROUND_RAILROAD"],"groups":["dark-history","historic-sites"],"desc":"NPS-listed historic site associated with the Underground Railroad.","full_desc":"Jervis Langdon is a historic site in Elmira, New York, a National Underground Railroad Network to Freedom listing. NPS-listed historic site associated with the Underground Railroad. HauntHunt files it with dark history, Underground Railroad history and the Underground Railroad. The dossier holds 3 documented facts — the record is history-forward, no paranormal claims on file. Access is restricted — check current rules before planning anything.","address":"413 Lake Street","city":"Elmira","county":"Chemung","state":"New York","postal":null,"region":"Northeast","lat":42.093388,"lon":-76.80961,"coord_kind":"CITY","status":"ACTIVE","access":"RESTRICTED","access_notes":"NPS public listing access field: No. This is a listing snapshot; current arrangements still require confirmation.","ownership":null,"website":null,"phone":null,"year_built":null,"year_opened":null,"year_closed":null,"year_demolished":null,"designation":"National Underground Railroad Network to Freedom listing","current_use":"Historic site","research_notes":"Government-registry discovery record, unique ID 06NY01, source row 125. Inclusion concerns slavery, freedom-seeking and resistance history; no haunting is inferred. City, coordinates and detailed history are not inferred from the name. The source Year Established field is not treated as year built/opened. ","stage":"SOURCE_RESEARCH","quality":{"level":"MEDIUM","score":62.1,"dims":{"location_confidence":0.35,"identity_confidence":0.85,"historical_confidence":0.8,"source_quality":1,"paranormal_claim_provenance":null,"coordinate_confidence":0,"current_access_confidence":0.7,"freshness":0.65}},"claims":[],"history":[{"description":"NPS includes this site in the National Underground Railroad Network to Freedom. Jervis Langdon's past is on record — the entry belongs to the verified layer the museum itself interprets. The record holds it as fact — documented, not retold. The record appears in 'Public NPS Network to Freedom listings, row 2, ID 01GA01'. The entry's timeline holds it; the lore holds the rest.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"Public NPS Network to Freedom listings, row 2, ID 01GA01","url":"https://www.nps.gov/common/uploads/sortable_dataset/undergroundrailroad/F0E29766-00A1-12E5-C3D062151C3F7E26/nri-NTFListings6426NOPIItable.csv?t=1784017173223","publisher":"National Park Service","type":"GOVERNMENT","authority":1}},{"description":"Jervis Langdon is documented on the National Park Service Network to Freedom for its role in the Underground Railroad. A documented site gives the file real substance; this entry is part of that record. It's verified history: the dossier's load-bearing detail. Sources including 'NPS Network to Freedom listing' carry the record. It is the kind of fact the rest of the dossier leans on.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1}},{"description":"Langdon’s work is documented. Jervis Langdon's past is on record — the entry belongs to the verified layer the museum itself interprets. The fact is historically verified — the part of the file that doesn't need hedging. The detail is preserved in 'NPS Network to Freedom listing'. The detail belongs to the verified spine of the entry.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1}}],"legends":[],"entities":[],"events":[],"investigations":[],"encounters":[],"media":[],"persons":[],"visitor":{"tour_availability":"Verify before visiting","notes":"Access is restricted; check with the managing agency or landowner before visiting; check nps.gov for current hours and alerts.","last_verified_at":"2026-09-18 11:32:55","source":{"name":"HauntHunt generic access guidance","url":"https://haunthunt.com/about#access-guidance","publisher":"HauntHunt editorial","type":"DIRECTORY","authority":2}},"sources":[{"name":"Public NPS Network to Freedom listings, row 2, ID 01GA01","url":"https://www.nps.gov/common/uploads/sortable_dataset/undergroundrailroad/F0E29766-00A1-12E5-C3D062151C3F7E26/nri-NTFListings6426NOPIItable.csv?t=1784017173223","publisher":"National Park Service","type":"GOVERNMENT","authority":1},{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1},{"name":"Underground Railroad","url":"https://en.wikipedia.org/wiki/Underground_Railroad","publisher":"Wikipedia","type":"ENCYCLOPEDIA","authority":4}],"conflicts":[{"field_name":"short_description","existing_value":"NPS-listed historic site associated with the Underground Railroad.","incoming_value":"The Elmira house—where Twain’s father-in-law sheltered the fugitives.","notes":"Preserve both source-backed variants; no automatic overwrite."},{"field_name":"public_access","existing_value":"RESTRICTED","incoming_value":"PUBLIC","notes":"Preserve both source-backed variants; no automatic overwrite."},{"field_name":"historic_designation","existing_value":"National Underground Railroad Network to Freedom listing","incoming_value":"NPS Network to Freedom","notes":"Preserve both source-backed variants; no automatic overwrite."},{"field_name":"research_notes","existing_value":"Government-registry discovery record, unique ID 06NY01, source row 125. Inclusion concerns slavery, freedom-seeking and resistance history; no haunting is inferred. City, coordinates and detailed history are not inferred from the name. The source Year Established field is not treated as year built/opened. ","incoming_value":"UGRR enrichment wave 2; VERIFY task auto-queued.","notes":"Preserve both source-backed variants; no automatic overwrite."}],"wiki":null,"counts":{"claims":0,"history":3,"legends":0,"entities":0,"sources":3}}