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2023 Map of Chalk Bluffs East

Name: 2023 Topographic Map of Chalk Bluffs East
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Pawnee National Grassland dominates this section of Weld County, where the high plains break into the prominent escarpments of the Chalk Bluffs. This 2023 survey illustrates the remote, open character of the landscape, defined by a network of seasonal watercourses and distinctive geological formations like Earthlodge Rock. The drainage patterns of Simpson Creek, Geary Creek, and Willow Creek dictate the local topography, carving shallow valleys through the grassland.

Modern infrastructure is limited to a grid of county roads, including Co RD 57 and Co RD 128, which provide access to this sparsely populated region. Smaller landmarks such as Antelope Spring and Eagle Rock Reservoir highlight the critical role of water management in this arid environment. The map provides a clear record of current land management boundaries and the natural contours of the northeastern Colorado plains.