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ScholarsArchive at Oregon State University
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Urban forests are an essential green infrastructure of our cities. Due to the proximity
of urban trees to more than 250 million people and the grey infrastructure within United States cities, urban forests are uniquely positioned to provide a host...
2014-09-04 (iso8601)
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This thesis is a discussion of the major bee diseases
found in Oregon with notes on minor ailments of bees and
on diseases not yet present followed by a history of the
introduction and spread of the more important diseases,
a history of bee...
1939-05-09 (iso8601)
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1942-05-12 (iso8601)
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