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1963 Map of Mt. Arriva, 1970 Print
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1963 Map of Mt. Arriva

USGS Topo · Published 1970

About this map

Cascade Crest marks the high-altitude divide of the northern Cascades on this survey, where the Okanogan National Forest and MT Baker National Forest meet. The landscape is defined by extreme relief and glacial features, notably the Lewis Glacier situated between Black Peak and Corteo Peak. High mountain passes such as Easy Pass, Horsefly Pass, and Heather Pass provide the primary transit corridors through these summits.

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Map Details

Date Portrayed1963
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain