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1 July 2011 Historical Vegetation of the Willamette Valley, Oregon, circa 1850
John A. Christy, Edward R. Alverson
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Figure 1.
Historical vegetation classes in the Willamette Valley, Oregon, based on General Land Office survey data, 1851–1910.

TABLE 1.
Classification of vegetation stand structure in Willamette Valley, ca. 1850, based on General Land Office survey data.

TABLE 2.
Plant species most frequently cited in General Land Office survey notes from the Willamette Valley, ca. 1850.

TABLE 3.
Classes of historical vegetation in Willamette Valley, ca. 1850s, based on General Land Office survey data.

TABLE 4.
Subclasses of historical vegetation in Willamette Valley, ca. 1850s, based on General Land Office survey data. Figures in parentheses indicate burned facies of subclass.


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