National Arbor Day Foundation, authorInternational Society of Arboriculture, authorColorado State Forest Service, author2018-08-082018-08-082012-05https://hdl.handle.net/10217/190189May 2012.Information provided by the National Arbor Day Foundation and the International Society of Arboriculture.born digitalbrochuresengTrees -- Wounds and injuriesWindfall (Forestry)Text