RT Journal Article SR Electronic T1 Utility and Municipal Communications Relating to the Urban Forest JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 273 OP 275 DO 10.48044/jauf.1988.065 VO 14 IS 11 A1 John D. Morell YR 1988 UL http://auf.isa-arbor.com/content/14/11/273.abstract AB Municipal and utility companies working together can protect and enhance urban trees. Augering, instead of trenching, through the root zone area of trees using the Parkway Tree Augering Specification developed by the Municipal Foresters in Northeast Illinois, and using various trimming techniques other than “topping”, for clearance of electrical transmission lines, should be used to protect the urban tree population.