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1966 Map of Deaver Reservoir

Name: 1966 Topographic Map of Deaver Reservoir
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

The borderlands of the Montana-Wyoming line are dominated by the extensive Polecat Bench, an elevated landform that overlooks an intricate system of energy and water infrastructure in the mid-1960s. The region is defined by the Chicago Burlington and Quincy railroad, which services the industrial activity of the Frannie Oil Field near the settlement of Frannie. This intersection of rail and petroleum resources underscores the mid-century industrial importance of northern Park County.

Water management is equally central to this landscape, with the Frannie Canal and Deaver Canal cutting through the terrain to feed Deaver Reservoir. Several natural and artificial features, including Blue Lake and a series of oil wells, are linked by an extensive network of infrastructure including a pipeline, aqueduct, and tunnel. The topography is further shaped by the drainage of Polecat Creek and Cottonwood Creek, reflecting a carefully engineered environment where desert land was adapted for both extraction and irrigation.