TalkingTree Blog
Gardiner River (13 of 131)
 [L-R] Steven Erat, Franzi von Lerber, Bill, Margaret, Eric, Karen Heidemann. These guys spent the whole summer in Yellowstone volunteering on various science projects.

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[L-R] Steven Erat, Franzi von Lerber, Bill, Margaret, Eric, Karen Heidemann. These guys spent the whole summer in Yellowstone volunteering on various science projects.