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Historic stream surveys
Remove constraint Historic stream surveys
Author
Geological Survey (U.S.)
Remove constraint Author: Geological Survey (U.S.)
Subject
Trout -- Habitat -- Oregon -- Crater Lake Region
Remove constraint Subject: Trout -- Habitat -- Oregon -- Crater Lake Region
Material Types
Image
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1 map:col.; Wallis provides a color key for Rogue, Klamath, Umqua, and Lake drainage; Relief shown by contours, spot heights and shading; Datum is mean sea level; Contour interval 50 feet; "N4242-W12155/25;" ...
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