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

id = "mason-dixon"
name = "Mason-Dixon Trail"
short_name = "MDT"
country = "US"
regions = ["PA", "MD", "DE"]
length_km = 311
length_note = "193 mi, from the Keystone Trails Association page"
tier = "regional"
designation = "Mason-Dixon Trail System"
wave = 1

[source]
status = "osm-only"
publisher = "Mason-Dixon Trail System (publishes the trail; no open geometry found)"
publisher_url = "https://www.masondixontrail.org/"
url = "https://www.openstreetmap.org/relation/1820324"
discovery = "osm-relation-version: Overpass `rel(1820324); out meta;` (version and timestamp), or the Geofabrik replication diff; fetch again when it changes"
format = "OpenStreetMap route relation, read through Overpass with all member ways"
crs = "EPSG:4326"
licence = "ODbL-1.0"
licence_text = "OpenStreetMap contributors, ODbL 1.0 (share-alike). Credit: © OpenStreetMap contributors. The OpenStreetMap copyright page states: 'You are free to copy, distribute, transmit and adapt our data, as long as you credit OpenStreetMap and its contributors.' (https://www.openstreetmap.org/copyright, read 2026-11-10). The track included here is from OpenStreetMap, relation 1820324."
attribution = "OpenStreetMap contributors (ODbL)"
osm_only = true
mainline = "OSM relation 1820324: one route relation, main ways only."
source_checked = "2026-11-10"
redistributable = true
line_source = "OpenStreetMap"
line_file = "line.geojson"

[osm]
relation = 1820324
note = "Downloaded 2026-11-10; 691 ways in the main track. release.txt has the source and date."

[shield]
status = "logo-not-found"
logo_source = ""
contact = "Mason-Dixon Trail System"
note = "No logo is included. Ask the trail's holder before using its mark."
logo_file = ""
logo_owner = "Mason-Dixon Trail System"

[verification]
verified = true
date = "2026-11-10"
measured_km = 325.4
difference_percent = 4.6
parts = 4
note = "OSM relation 1820324, 691 ways: 325.4 km in 4 parts, 4.6% more than the published 311 km. The pieces do not all join: OpenStreetMap is missing the connectors between them."