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Canyon of the Snake River at the Seven Devils, 1911



Title: Canyon of the Snake River at the Seven Devils
Projection: Unknown,
Source Bounding Coordinates:
W: -112 E: -112 N: 46 S: 46

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Description: A map showing the canyon of the Snake River at the Seven Devils. Sketch contours, interval approximately 500 feet. The cross-lined areas represent basalt-covered surface; the blank areas represent older slates, schists, etc.
Source: Isaiah Bowman, Ph. D., Forest Physiography (New York, NY: John Wiley and Sons, 1911) 195
Map Credit: The Private Collection of Roy Winkelman.
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 Maps ETC > United States > Montana > Canyon of the Snake River at the Seven Devils, 1911
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