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1962 Map of Green Mountain

Name: 1962 Topographic Map of Green Mountain
Creator: U.S. Geological Survey
Published: 1988
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1988

About this map

The Colorado River corridor in Coke County underwent a significant transformation as documented in this 1980s revision, showing the anticipated boundaries of Lake E V Spence. Purple hatching marks the extensive areas slated for submergence under the reservoir, which would eventually alter the landscape around the Millican Field and numerous local waterways. Before the rising waters, the area supported a rural network of ranching and energy extraction, evidenced by the South Lygay Oil Field and various Oil Wells scattered across the limestone breaks.

Community life centered on the Pecan Ch and the Green Mountain Community Center, both positioned near the junction of several drainage systems like North Pecan Creek and Rough Creek. Distinctive landforms such as Shaggy Peak and the namesake Green Mountain rise above the basin, providing a topographical anchor for researchers tracing family lands or old survey lines before the modern reservoir footprint was finalized.