# Long-trail record. Field meanings: docs/schema.md in this repository.

id = "potomac-heritage"
name = "Potomac Heritage National Scenic Trail"
short_name = "POHE"
country = "US"
regions = ["DC", "MD", "VA", "PA"]
length_km = 1448
length_note = "about 900 mi network, per the NPS"
tier = "national"
designation = "National Scenic Trail (1983)"
wave = 1
inclusion = "nst-unconditional"

[source]
status = "found"
publisher = "National Park Service, Potomac Heritage NST"
url = "https://services1.arcgis.com/fBc8EJBxQRMcHlei/arcgis/rest/services/POHE_Trail_Centerline_(Public_NPMap_Builder)_/FeatureServer/0"
discovery = "arcgis-layer-edit-date: GET <layer>?f=json and read editingInfo.dataLastEditDate (and the feature count); fetch again when either changes (last edit 2026-11-06)."
format = "ArcGIS FeatureServer layer, 703 features"
crs = "EPSG:4269"
licence = "us-gov-public-domain"
licence_text = "United States federal government work, public domain in the United States under 17 U.S.C. 105. The National Park Service states: 'Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection under 17 U.S.C. 105.' (https://irma.nps.gov/DataStore/Reference/Profile/2311077, read 2026-11-09)."
attribution = "National Park Service, Potomac Heritage National Scenic Trail"
osm_only = false
mainline = "Mixed: 'TRSTATUS' marks existing versus proposed; only existing belongs on the map."
source_checked = "2026-11-08"
redistributable = true
line_source = "National Park Service, Potomac Heritage NST"
line_file = "line.geojson"

[osm]
relation = 0
note = "Not searched."

[shield]
status = "use-real-logo"
logo_source = "https://npshistory.com/publications/pohe/route-marking-graphic-id-2015.pdf"
contact = "NPS Potomac Heritage NST"
note = "Official Potomac Heritage NST emblem, extracted from the NPS Route Marking and Graphic Identity Guide (2015), page The Trail Marker (Logo); the logo is a Federal mark published in the Federal Register (2001). The generic NPS arrowhead previously here was removed. Use needs the trail administrator's written permission per the guide."
logo_file = "shield.png"
logo_owner = "NPS Potomac Heritage NST"

[verification]
verified = true
date = "2026-11-08"
measured_km = 1380.9
difference_percent = -4.6
parts = 46
note = "'Existing' segments only: 1,380.9 km in 46 parts, 4.6% short of 1,448 km. alternates.geojson holds the planned and proposed segments (219.6 km)."