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1992 Map of Round Butte Dam

Name: 1992 Topographic Map of Round Butte Dam
Creator: U.S. Geological Survey
Published: 1997
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1997

About this map

The dramatic confluence of high desert plateaus and deep river canyons defines this landscape in Jefferson County. At the heart of the terrain lies Lake Billy Chinook, a reservoir created by the construction of the Round Butte Dam. This engineered feature includes a Dam Observatory, Powerhouse, and Sub Sta, representing a significant mid-20th-century transformation of the regional hydraulics where the Crooked River meets its tributaries.

South of the Warm Springs Indian Reservation boundary, the map details the Grandview (Site) along Grandview Loop Road, marking a former community location now integrated into the Crooked River National Grassland. Notable landforms like The Island and The Peninsula rise sharply from the water, while expansive plateaus such as Metolius Bench and Canadian Bench provide a stark contrast to the steep walls of Big Canyon and Juniper Canyon.