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1973 Map of Shamrock, 1976 Print
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1973 Map of Shamrock

USGS Topo · Published 1976

About this map

Shamrock sits near the base of this landscape in the southern portion of Adams County, where the topography is defined by the winding drainages of San Arroyo Creek and its tributary, West Fork San Arroyo Creek. The survey, conducted in the early 1970s, illustrates a transition toward industrial land use in a region historically dominated by ranching. Evidence of energy development is visible throughout the quadrangle, marked by several Oil Wells, a solitary Oil Well, and a prominent north-south Pipeline cutting through the eastern sections. Water management in this arid environment is highlighted by Simpsons Reservoir and the presence of scattered wells and drill holes. The map also records smaller seasonal waterways like Hoffman Creek, tracing the natural runoff patterns across the undulating plains of eastern Colorado.

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Map Details

Date Portrayed1973
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 26.7 inches

Editions of this 1973 Shamrock Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Shamrock Through Time

117 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain