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1979 Map of Spica
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1979 Map of Spica

USGS Topo · Published 1979

About this map

The North Fork Saline River and South Fork Saline River converge in this High Plains landscape, shaping the development of Thomas and Logan counties in the late 1970s. The small settlement of Spica sits at a geographic crossroads between the townships of Summers, South Randall, Monument, and Oakley. This era was defined by a transition toward intensive agricultural and energy production, evidenced by the presence of a large Feedlot and an established Oil Field. Transportation and logistics remain central to the region's character, with the Union Pacific railroad and Interstate 70 cutting through the prairie. Industrial activity is further highlighted by several Gravel Pits distributed across the river valley, while the boundary between Thomas County and Logan County marks the southern portion of the quadrangle.

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Map Details

Date Portrayed1979
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.13 x 27.1 inches

Editions of this 1979 Spica Map

Historical Maps of Spica Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain