Aven Nelson at the end of his collection trip to Yellowstone Park in September 1899

ID: 3627 | This file appears in: Rocky Mountain Herbarium
Aven Nelson at the end of his collection trip to Yellowstone Park in September 1899. Sitting in his tent, he was surrounded by the specimen samples collected and pressed, ready to be taken back to the Rocky Mountain Herbarium. | Source:

American Heritage Center: Digital Collections, Aven Nelson with a beard sitting on the ground in 1899. Available at Aven Nelson with beard sitting on the ground - Miscellaneous AHC Collections (uwyo.edu)

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American Heritage Center: Digital Collections, Aven Nelson with a beard sitting on the ground in 1899. Available at Aven Nelson with beard sitting on the ground - Miscellaneous AHC Collections (uwyo.edu)

"Aven Nelson at the end of his collection trip to Yellowstone Park in September 1899" appears in: Rocky Mountain Herbarium