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2020 Map of Rattlesnake Canyon

Name: 2020 Topographic Map of Rattlesnake Canyon
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Rattlesnake Canyon and its associated drainage, Rattlesnake Cr, dominate the western half of this Malheur County landscape. The terrain is defined by a series of steep drainages including Woolhawk Canyon and Pistol Canyon, which feed into the primary system. This 2020 survey illustrates a high-desert environment where water management is critical for land use, evidenced by the distribution of several small catchments such as Bull Cr Reservoir and the Upper Chimney Cr Reservoir.

Cattle ranching infrastructure is the primary human imprint on this area, centered around the Potomac Ranch Rd and the Holding Corral Reservoir to the south. The presence of Coyote Spring and various ephemeral channels like Little Antelope Cr suggests a reliance on scattered water sources. In the eastern portion, the elevation rises toward Little Grassy Mtn, while industrial activity is limited to the Truck Trail Pit, reflecting the area's sparse settlement and focus on resource management.