Under supervision, perform manual labor necessary to develop, maintain, protect and improve the urban forest of Helena.Tasks may include but not limited to such activities as pruning, hazard tree removal, tree planting, erecting and enforcing street and sidewalk closures, operating a gas powered wood chipper, operating a gas powered stump grinder, combating insects and diseases harmful to trees, installing and maintaining mulch rings around trees, equipment repair and maintenance, supply procurement and biological data collection.