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1927 Map of the Arboretum

1898: Survey of Pikes Peak, Plum Creek, and South Platte Forest Reserves

Plants collected on this Expedition

Plant ID Accession Date Received As Origin Source

Expedition Stats

California, Oregon, Wyoming

Event Type
Non-Arnold Arboretum Expedition
Collection Type
Germplasm, Herbarium Specimens
Arnold Arboretum Participants
John George Jack
Other Institution(s)
United States Department of Interior (funding)