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1916 Map of Henry

Name: 1916 Topographic Map of Henry
Creator: U.S. Geological Survey
Published: 1948
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1948

About this map

The Blackfoot River Reservoir dominates this landscape in Caribou County, where volcanic geography meets early twentieth-century water management. Surveyed between 1910 and 1914, the map documents the area shortly after the completion of the Blackfoot Dam, showing how the impounded waters reshaped the valley floor once characterized by a massive Lava Field. The presence of numerous craters and cones, such as China Hat, Middle Cone, and Broken Crater, highlights the area's distinct geologic origins.

Local settlement patterns are centered around isolated outposts and livestock operations, including Henry and various homesteads such as Perkins Ranch and Boulls Ranch. Transportation is facilitated by the Soda Springs Road and Bray Road, which connect these remote holdings across the high plains. The boundary between Caribou Co and Bannock Co is clearly delineated, providing a precise spatial reference for the cattle and sheep ranching economy that defined the region during this period.