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2020 Map of Big Fill Reservoir

Name: 2020 Topographic Map of Big Fill Reservoir
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Grandview serves as the focal point for this section of Bingham County, where the landscape is defined by an intricate network of irrigation infrastructure essential for high-desert agriculture. The arid terrain of Ryegrass Flat is transformed by the Highline Canal and the Low Line Canal, which feed a series of numbered laterals including Lateral 46 and Lateral F 1. This system of water management indicates the historical transition from open range to organized ranching and farming in southern Idaho.

At the northeastern corner of the map, Big Fill Reservoir provides a critical water source for the surrounding fields, managed via the Highline Canal. The rectilinear road network, including Springfield RD and Barclay RD, follows the Section lines of the Public Land Survey System. These roads connect the dispersed residences and agricultural plots that constitute the contemporary community, reflecting the enduring legacy of the early 20th-century irrigation projects that first brought reliability to this landscape.