Caldwell serves as the focal point of this Canyon County landscape, where the Boise River and a complex web of irrigation infrastructure define the local geography. The city is home to The College of Idaho and the Canyon County Courthouse, marking its status as a regional center for education and government. The surrounding terrain is heavily modified by agricultural water systems, including the Phyllis Canal, Golden Gate Canal, and the Farmers Cooperative Sebree Canal, which transform the arid gulches like West Hartley Gulch into productive land. To the northeast, Middleton sits near the Mill Slough, while smaller outlying areas such as Simplot, Enrose, and Midway appear along the rail and road corridors. This modern topographic record captures the transition from civic spaces and campuses to the industrial infrastructure at the Caldwell Industrial Airport and the expansive network of laterals and drains like Noble Drain and Indian Cr that sustain the valley.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Nampa
USGS Topo · 1:125,000
1955 · Boise
USGS Topo · 1:250,000
1957 · Notus
USGS Topo · 1:24,000
1958 · Boise
USGS Topo · 1:250,000
1958 · Middleton
USGS Topo · 1:24,000
1958 · Lake Lowell
USGS Topo · 1:24,000
1958 · Nampa
USGS Topo · 1:24,000
1958 · Caldwell
USGS Topo · 1:24,000
1958 · Marsing
USGS Topo · 1:24,000
1962 · Boise
USGS Topo · 1:250,000