Colorado State Forest Service, author2007-01-032007-01-03http://hdl.handle.net/10217/41434born digitalcards (information artifacts)engnarrowleaf cottonwoodpinyon pineColoradobristlecone pinesubalpine firEngelmann sprucelodgepole pinewhite firlimber pineDouglas firponderosa pinequaking aspenplains cottonwoodRocky Mountain juniperColorado blue spruceText