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2017 Map of Islay

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

USGS Topo · Published 2017

About this map

Islay and the surrounding high plains of Laramie County are defined by a complex network of waterways and ranching infrastructure in the early 21st century. The landscape is dominated by the various branches of Lodgepole Cr, including the North, Middle, and South forks, which cut through the undulating terrain near Cheyenne Pass. The presence of Chadwick Reservoir Number 2 and Chadwick Ditch Number 1 illustrates the critical role of water management in this high-altitude environment.

To the south, Mesa Mtn rises above Bean Draw and Bean Cr, marking a transition in the local topography. This region is sparsely settled, with the small community at Islay serving as a focal point along Horse Creek Rd. The map also traces the paths of numerous ephemeral streams like Dry Cr and Rice Cr, alongside gulches such as Tromley Gulch and Parker Gulch, revealing the drainage patterns that have shaped this portion of the Wyoming landscape.