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Description

Survey map of Chelan National Forest, a year after Okanogan National Forest was transferred to it. In 1955, the name was reverted to Okanogan. Washington (now Mount Baker–Snoqualmie) and Colville National Forests are shown to the west and east, respectively.

This example shows the coverage of Yellow Pine, transitional coverage, and sub-alpine ecosystems. The owner seemed to think better of his survey and stopped part way through.

Condition Description
Original contemporary hand-coloring in pencil, with legend in upper left in pencil. Minor wear in folds, including a few pinholes and one short split (upper left in Washington National Forest) in crossfolds.
Reference
"CHELAN NATIONAL FOREST," https://forestservicemuseum.org/wp-content/uploads/2020/09/Pacific-Northwest-Region-6-Sept2020.pdf