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Displaying items 1 - 2 of 2
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1. Alaska forestry research historical images

Author(s):
Barnard, Jeffrey C.; Nelson, Kellen N.

2. University of Pennsylvania campus tree inventories, 2003 and 2014

Author(s):
Roman, Lara A.; Fristensky, Jason P.; Lundgren, Robert E.; Cerwinka, Chloe E.; Lubar, Jason E.