
Twickenham sits along a bend of the John Day River in this high-desert landscape of north-central Oregon. The terrain is dominated by the massive landform of Sutton Mountain and the jagged profile of Packsaddle Mtn, showing a topography defined by steep canyons and seasonal drainage. In the southern portion of the sheet, the John Day Fossil Beds National Monument encompasses the area around Bridge Creek, reflecting the region's globally significant paleontological importance. The mapping reveals a sparse settlement pattern connected by 4wd tracks, where water sources like Chapman Spring and landmarks such as Goose Point were critical for navigation and ranching. Genealogists may note the small Cem located near the river, while industrial history is represented by scattered Gravel Pit and Quarry sites throughout the canyons.
26 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1926 · Mitchell
USGS Topo · 1:125,000
1955 · Bend
USGS Topo · 1:250,000
1957 · Bend
USGS Topo · 1:250,000
1958 · Bend
USGS Topo · 1:250,000
1966 · Mitchell
USGS Topo · 1:62,500
1966 · Kinzua
USGS Topo · 1:62,500
1966 · Clarno
USGS Topo · 1:62,500
1968 · Painted Hills
USGS Topo · 1:24,000
1968 · Lawson Mtn
USGS Topo · 1:24,000
1981 · Stephenson Mountain
USGS Topo · 1:100,000