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2017 Map of Grass Valley

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

USGS Topo · Published 2017

About this map

Pine Valley serves as the focal point for this survey of Washington County high country, situated where the Santa Clara River and Left Fork Santa Clara River emerge from the steep slopes of the Pine Valley Mountains. The landscape is a complex network of high-altitude basins and drainage systems, defined by Grass Valley and its namesake Grass Valley Reservoir. Within the Dixie National Forest, the map documents a robust system of backcountry infrastructure, including the Canal Trail and Whipple Trail, which provided access to remote locations such as Gardner Peak and Mill Flat.

Evidence of early land use and resource management is found in labels like Sheep Pens and Mill Canyon, indicating the region's history of grazing and timber harvesting. The terrain transitions from the high peaks of Timber Mtn and Big Point down to the recessed drainages of Water Canyon and Main Canyon. These features, along with specialized routes like the Equestrian Trail and Crackfoot Loop, illustrate the area's ongoing significance for both recreation and watershed management.