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1985 Map of Thomson

Name: 1985 Topographic Map of Thomson
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

The Upper Mississippi River dominates the western edge of this landscape, defining a complex ecosystem within the Upper Mississippi River Wild Life and Fish Refuge. East of the river, the landscape transitions from the aquatic margins of Potters Marsh and Potters Slough into the agricultural plains where Thomson serves as the primary settlement. The town is marked by its proximity to the Burlington Northern railroad, a vital corridor for mid-20th-century commerce in Carroll Co.

Beyond the municipal center, smaller locales like Ebner and Spring Valley appear, alongside the curiously named Blind Charleys Corner. Traces of older transit patterns are visible in the Old RR Grade cutting through the center of the sheet. The terrain in Ustick and York townships is carved by Johnson Creek and Otter Creek, illustrating the drainage patterns that historically dictated farm placement and rural road development.