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1950 Map of Alameda Flat, 1965 Print
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1950 Map of Alameda Flat

USGS Topo · Published 1965

About this map

The Columbia River serves as a dominant geographic divider on this mid-century survey, separating Okanogan and Douglas counties and defining the southern border of the Colville Indian Reservation. The river's powerful character is evident in the marking of Mah-kin Rapids, Nespelem Rapids, and Equilibrium Rapids, capturing the waterway before modern engineering fully transformed its flow. Along the northern banks, the landscape of the reservation is marked by mining activity near Hobo Hill, including the Anchor Mine, Sailor Boy Mine, and Apache Mine.

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Map Details

Date Portrayed1950
Date Published1965
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17 x 20.9 inches

Editions of this 1950 Alameda Flat Map

Historical Maps of Osborne Corner Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain