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1973 Map of Gannvalley

Name: 1973 Topographic Map of Gannvalley
Creator: U.S. Geological Survey
Published: 1976
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1976

About this map

Crow Creek meanders through this agricultural landscape at the border of Buffalo and Jerauld counties, anchoring a region defined by its sprawling township divisions. The 1970s survey captures a transition in local land use, notably featuring the Spring Valley Colony, a distinct communal settlement pattern that contrasts with the traditional family farmsteads in the surrounding Eden and Marlar districts.

Genealogists and local historians can locate the Spring Hill Cem positioned near the county line, providing a specific point of reference for families tied to the Crow and Elvira townships. The map documents several Gravel Pits concentrated along the creek's terrace, reflecting the local infrastructure and industry of the era. The township grid, spanning from Logan to the north, remains the primary organizational framework for this rural South Dakota prairie.