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2014 Map of Ismay North

Name: 2014 Topographic Map of Ismay North
Creator: U.S. Geological Survey
Published: 2014
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2014

About this map

Ismay sits at the southern edge of this landscape where the high plains of eastern Montana meet the drainages of the Yellowstone River basin. The area is defined by a complex network of seasonal watercourses, including O'Fallon Cr and Pennel Cr, which carve through the terrain of Custer and Prairie counties. These creeks, alongside tributaries like Lone Tree Cr and Malone Cr, illustrate the drainage patterns essential to the region's ranching history.

Transportation across this sparsely settled territory is anchored by rural corridors such as Ismay Rd and Mildred Rd. The map documents the precise boundary line between Prairie Co and Custer Co, providing a clear view of the cadastral survey system and land divisions used in this portion of the Montana plains. The topography is marked by a series of draws and ridges, typical of the breaks found throughout the eastern part of the state.