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2023 Map of Castle Rock, 2023 Print
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2023 Map of Castle Rock

USGS Topo · Published 2023

About this map

Castle Rock dominates this high-desert landscape in Eastern Oregon, marking a point where the boundaries of Grant, Malheur, and Harney counties converge. The drainage of the Little Malheur River carves through the western portion of the sheet, while to the east, the headwaters of South Bully Creek and Bendire Creek begin their descent. This area is defined by a complex network of springs and canyons, such as Jerry Canyon and Whisky Gulch, which supported historical ranching and land use across Horse Flat. Early transportation routes like Castle Rock Rd and Lost Creek Rd follow the natural contours of the terrain, connecting isolated water sources like Horse Flat Reservoir and Mouse Lake. The map reveals the persistence of named water features in an arid environment, including Irish Spring and Castle Rock Spring.

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Map Details

Date Portrayed2023
Date Published2023
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2023 Castle Rock Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain