Columbia subject headings:
Forest surveys--Oregon, Eastern.
Western juniper--Ecology--Oregon, Eastern.
Western juniper--Habitat--Oregon, Eastern.
Western juniper--Oregon, Eastern--Geographical distribution.
Harvard subject headings:
Forest surveys--Oregon, Eastern.
Western juniper--Ecology--Oregon, Eastern.
Western juniper--Habitat--Oregon, Eastern.
Western juniper--Oregon, Eastern--Geographical distribution.
Princeton subject headings: