Guide to bumble bees of the eastern United States /

by Colla, Sheila
Washingtin, D.C. : United States Dept. of Agriculture Pollinator Partnership, 2011

The land we cared for-- : a history of the Forest Service's Eastern Region /

by Conrad, David Eugene
Milwaukee, WI (310 West Wisconsin Ave., Milwaukee 53203) : USDA-Forest Service, Region 9, 1997
1st ed.