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1990 Map of Haas Hollow
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1990 Map of Haas Hollow

USGS Topo · Published 1990

About this map

The Imnaha River carves a deep path through this corner of the Wallowa National Forest, serving as the primary geographical focus of the region. The landscape is defined by its complex drainage network, where the river is fed by numerous tributaries including Stubblefield Fork, Packsaddle Creek, and Buck Creek. Within the Hells Canyon National Recreation Area, human presence is marked by essential forest infrastructure like the Thorn Creek Guard Station and a system of primitive access routes such as Imnaha Road and Dug Bar Road. The terrain transitions from high points like Grizzly Ridge and Haas Ridge down into deep incisions such as Pileup Canyon. This 1990 provisional map documents a remote part of Oregon's northeastern corner, showing how the river and its many forks, such as Corral Fork and Dry Lake Fork, dictate the movement and management of this protected wilderness.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1990 Haas Hollow Map

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

Historical Maps of Wallowa County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain