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2023 Map of Initial Point, 2023 Print
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2023 Map of Initial Point

USGS Topo · Published 2023

About this map

Initial Point stands as the central landmark of this Ada County landscape, marking the historic origin for all land surveys in Idaho. The terrain transitions from the high volcanic plateau down steep canyon walls toward the Snake River, which forms a prominent natural boundary in the southern portion of the sheet. This river corridor is home to Halverson Lake and the wide Con Shea Basin, illustrating the stark contrast between the arid desert highlands and the lush riparian zone at the canyon floor.

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Map Details

Date Portrayed2023
Date Published2023
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2023 Initial Point Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Ada County Through Time

103 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain