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1985 Map of Rock Lake

Name: 1985 Topographic Map of Rock Lake
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

The Turtle Mountains dominate the northwestern landscape of this mid-1980s survey, housing the Turtle Mountain Indian Reservation and the community of Belcourt. This elevation-rich region is dotted with numerous small bodies of water, including Carpenter Lake, Hooker Lake, and Jarvis Lake, reflecting a glacial topography distinct from the surrounding prairie. To the north, the international boundary with Manitoba is marked by a Port of Entry U S Customs near Saint John, emphasizing the area's cross-border connectivity.

Agricultural drainage patterns are defined by the Big Coulee and protected wetlands such as the Rock Lake National Wildlife Refuge. The regional economy and transport network are anchored by the Soo Line and Burlington Northern railroads, which connect scattered settlements like Rolla, Rolette, and Bisbee. The map captures a transition from the forested hills of the Wakopa State Wildlife Management Area to the expansive section-line grid of the North Dakota plains.