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2014 Map of Thorn Hollow

Name: 2014 Topographic Map of Thorn Hollow
Creator: U.S. Geological Survey
Published: 2014
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2014

About this map

The Umatilla River cuts a deep path through this portion of Umatilla County, shaping a landscape of dramatic elevation changes and named ridges. Near the settlement of Thorn Hollow, the river is joined by various tributaries including Isqúulktpe Cr and Thorn Hollow Cr. The local geography is defined by prominent high points such as Reservation Mountain, Kanine Ridge, and Telephone Ridge, which separate deep drainages like Rattlesnake Canyon and Red Elk Canyon.

Evidence of local history and infrastructure is found at the Red Elk Cem and along the winding Thorn Hollow Grade. The terrain is marked by numerous agricultural and access roads, including Bingham Rd and Cayuse Rd, which follow the natural contours of the gulches and flats. This survey provides a clear look at the complex drainage network of Spring Hollow Cr and Buckaroo Cr as they feed into the primary river valley.