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2017 Map of Castle Rocks

Name: 2017 Topographic Map of Castle Rocks
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

The Pryor Mountains define this high-altitude landscape in Big Horn County, where dramatic elevation changes are anchored by the prominent Castle Rocks and West Pryor Mtn. This 2017 topographic survey highlights the rugged transition through the Pryor Gap, a critical natural pass and corridor for the Pryor Gap Rd. The area is defined by its drainages, including the headwaters of Bird Cr and the winding course of Pryor Cr, which is supported by early irrigation infrastructure such as the Lost Cr Ditch.

Lower elevations to the southeast feature Crown Butte, while the land is organized into numerous protracted blocks, or "PB" labels, indicating complex land management and ownership boundaries within this mountain range. Modern hydrography and elevation data from the U.S. Geological Survey provide a clear view of the water sources like Summit Cr and Lost Cr that have shaped the region's geography and access routes.