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1990 Map of Trout Creek

Name: 1990 Topographic Map of Trout Creek
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Silvies Valley dominates this high-country landscape, where the Silvies River meanders through a broad basin between rising mountain slopes. This 1990 provisional survey documents the land as it appeared in the mid-1980s, revealing a terrain defined by ranching operations and water management. Large landholdings like the Silvies Valley Ranch and Purdy Ranch are established along the valley floor, supported by a network of named springs such as Ranger Spring and Maitland Spring.

The western portion of the quadrangle is largely occupied by the Malheur National Forest, where the topography becomes more complex with the presence of Badger Canyon and Loco Canyon. Numerous drainage systems, including Trout Creek, Dog Creek, and Camp Creek, feed into the central river system. The map also records the boundary line between Grant Co and Harney Co, providing a clear look at local administrative borders and the scattered resource extraction sites like a Gravel Pit.