To the Honorable Thomas Penn and Richard Penn … this map of the Province of Pennsylvania (William Scull, 1770)
William Scull’s map of the province: roads, forts, Indian towns and the dotted Indian paths through the Allegheny country, from Presque Isle and the forks of the Ohio to the Delaware.
Source
| Map | To the Honorable Thomas Penn and Richard Penn, Esquires, true and absolute proprietaries and Governors of the Province of Pennsylvania and the territories thereunto belonging and to the Honorable John Penn, Esquire, Lieutenant-Governor of the same, this map. Of the Province of Pennsylvania |
|---|---|
| Author | William Scull, 1770 |
| Archive | Library of Congress |
| Rights | Public domain. Published 1770 — before 1931, so public domain in the United States. Evidence |
| Accuracy | About 15 km (RMS 0.8 km at 68 control points). Placed by hand in a map-queue session and approved by a person. If something sits in the wrong place, members can fix it with Fix placement on the map. |
| Method | Placed by hand: a smoothing thin-plate spline through 68 places read from the scan and matched to their positions today. See the methodology. |
| Version | 1.0.1, updated 2026-10-06 |
| Covers | Pennsylvania |
Downloads
- Google Earth overlay (KMZ) — free (4.3 MB)
- GeoTIFF, tinted trails, EPSG:4326 (8000 × 4630; QGIS, ArcGIS) — free (16.6 MB)
- Print sheet over today’s map (3600 × 2200 PNG) — free (5.7 MB)
Project Homeland
This map is open for tracing into Project Homeland, one map of the trail network melded from every traced source. Members trace a trail by clicking along it: Trace a trail on the map.
Changelog
- 1.0.1 (2026-10-06): Fix: the sheet’s edges, cut off before, restored (bounds from the warp itself); place names re-placed where the map draws them (they had been set by an approximation of the warp: median 5.2 km, up to 34 km off).
- 1.0.0 (2026-09-30): First release: placed by hand at 68 places. From the Native Routes sources register; Library of Congress Geography and Map Division.
Credits
- From the Native Routes sources register; Library of Congress Geography and Map Division
- Georeferencing: Native Routes
- Scan: Library of Congress
Control points
The full list of control points with residuals is in control-points.geojson. Historic names indexed for search: names.geojson.
Something on this map sits in the wrong place? Members can show where with Fix placement on the map — confirmed fixes are tested against the map’s other control points each night and credited here. For anything else, report a problem.
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