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  "road_source": "OpenStreetMap (local PBF extract)",
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  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07.osm.pbf",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
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  "county": "Pennsylvania"
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}