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2023 Map of Lisbon Gap

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

USGS Topo · Published 2023

About this map

Lisbon Gap serves as a prominent geographic landmark in this high-desert landscape along the Utah and Colorado border. The terrain is defined by a series of elevated flats and deeply incised drainages, including Island Mesa, Mid Mesa, and Ray Mesa. These mesas are separated by an intricate network of seasonal waterways such as East Coyote Wash, Greasewood Canyon, and Bullhorn Wash.

In the southern portion of the map, the Lower Lisbon Valley opens up, providing a relatively level corridor accessed by Patterson Ranch Rd and E Lisbon Valley Rd. The map documents the complex intersection of county and state lines, where San Juan County, Utah, meets Montrose and San Miguel Counties in Colorado. This 2023 survey illustrates a sparsely settled region where cattle ranching and modern resource access roads like Island Mesa Rd follow the natural contours of the mesas and canyons.