Appalachian northern flying squirrels (Glaucomys sabrinus fuscus) (Glaucomys sabrinus coloratus) [electronic resource] / prepared by Annapolis Field Office, U.S. Fish and Wildlife Service in cooperation with the Northern Flying Squirrel Recovery Team for Region 5, U.S. Fish and Wildlife Service.
Imprint
Newton Corner, Mass. : Region 5, U.S. Fish and Wildlife Service, [1990]