Draught of part of Schohare, part of the West Branch of Delaware & part of Susquehanna Rivers, with Col. William Butler’s line of march to…
Captain William Gray’s draught of Colonel William Butler’s 1778 march from Schoharie to the Haudenosaunee and Delaware towns of Unadilla, Conihunto and Onaquaga on the upper Susquehanna, which the expedition burned: the waggon roads double-dotted and the Indian paths single-dotted.
Source
| Map | Journals of the military expedition of Major General John Sullivan against the Six nations of Indians in 1779; with records of centennial celebrations; prepared pursuant to chapter 361, laws of the state of New York, of 1885 |
|---|---|
| Author | William Gray, 1778 |
| Archive | Internet Archive |
| Rights | Public domain. A 1778 manuscript, reproduced in a book published in 1887 — before 1931, so public domain in the United States. Evidence |
| Accuracy | About 16 km (RMS 3 km at 7 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 first-order polynomial fit to 7 places read from the scan and matched to their positions today. See the methodology. |
| Version | 1.0.0, updated 2026-09-30 |
| Covers | New York |
Downloads
- Google Earth overlay (KMZ) — free (0.6 MB)
- GeoTIFF, tinted trails, EPSG:4326 (8000 × 3491; QGIS, ArcGIS) — free (2.1 MB)
- Print sheet over today’s map (3600 × 2200 PNG) — free (2.9 MB)
Project Homeland
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Changelog
- 1.0.0 (2026-09-30): First release: placed by hand at 7 places. From the Native Routes sources register; the folding map in Journals of the Military Expedition of Major General John Sullivan (1887), Internet Archive (its two leaves joined).
Credits
- From the Native Routes sources register; the folding map in Journals of the Military Expedition of Major General John Sullivan (1887), Internet Archive (its two leaves joined)
- Georeferencing: Native Routes
- Scan: Internet Archive
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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