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1981 Map of Boise

Name: 1981 Topographic Map of Boise
Creator: U.S. Geological Survey
Published: 1981
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1981

About this map

The Boise River valley and its surrounding high desert plateaus are meticulously documented in this 1981 survey, capturing the agricultural and urban expansion of the Treasure Valley. The corridor between Boise and Caldwell shows the dense network of irrigation infrastructure essential to the region's growth, including the New York Canal and Phyllis Canal. To the south, the Deer Flat National Wildlife Refuge and Lake Lowell stand as major landmarks, while the Boise Front and Shafer Butte rise to the northeast, marking the transition into the Boise National Forest.

Infrastructure like the Union Pacific RR and Oregon Short Line RR tracks illustrate the historical importance of rail transport to the local economy. The map also identifies smaller communities such as Star, Middleton, and Greenleaf, alongside industrial markers like several Gravel Pit locations and the Nampa State School. This edition provides a clear record of the landscape before the significant suburban intensification of later decades.