1955 Map of Split Mountain, 1969 Print
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1955 Map of Split Mountain

USGS Topo · Published 1969

About this map

The Green River carves a dramatic path through the heart of Dinosaur National Monument, defining a landscape where geology and early ranching intersect. This mid-century survey illustrates the river's treacherous descent through Split Mountain canyon, identifying a series of formidable whitewater features including Moonshine Rapids, Inglesby Rapids, and the provocatively named SOB Rapids. While the northern half of the sheet is dominated by the steep walls of Mitten Canyon and the Yampa Plateau, the southern reaches show signs of human activity in this remote Utah terrain.


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Map Details

Date Portrayed1955
Date Published1969
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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Source Details

CopyrightPublic Domain