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2019 Map of Porter Mountain

Name: 2019 Topographic Map of Porter Mountain
Creator: U.S. Geological Survey
Published: 2019
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2019

About this map

Grand Mesa National Forest and Gunnison National Forest meet in this high-altitude landscape defined by timbered plateaus and secluded mountain meadows. The terrain is characterized by a series of distinct natural parks and flats, including Dead Mare Park, Stillwater Park, and Porter Flat, which have long served as landmarks for high-country navigation and grazing. This 2019 survey documents the complex water management system required for this environment, featuring a network of ditches such as Elizabeth Ditch, Bear Den Ditch, and Castle Ditch that redirect flows across the divide.

Water and topography dominate the local geography, from the heights of Porter Mountain and Lenna Peak down to McKelvie Reservoir and Elk Lake. Notable features like Plateau Ridge and The Flat Tops highlight the massive geologic formations of the region, while named points such as Baldridge Point suggest early local ranching or survey history. The map also traces modern recreational access through the Flats Tops Loop Snowmo and Ski (Snow) and the Hightower Snowmobile (Snow) routes, illustrating the modern use of these traditional forest lands.