Boreal owl locations and distributions of associated vegetative ecosystems in the United States, 1993.
Description: Map shows a technical and conservatory assessment of Boreal Owl populations and associated vegetative ecosystems in the United States. Insets: "Hawaii: Pacific Southwest Region," "Alaska," "Puerto Rico and U.S. Virgin Islands." Relief shown by shading. Scale [ca. 1:5,000,000].
Creator: United States. Forest Service. Rocky Mountain Region.