The Work of this project shall include all labor materials and equipment to complete control of woody stemmed invasive trees and shrubs at multiple locations throughout Lake County, Illinois as set forth in Work Orders issued by the District and accepted by Contractor. Work shall consist of the removal of invasive trees and shrubs through a variety of techniques including mechanical removal, hand cutting and application of herbicide to the stump, basal bark treatments or wick herbicide, or foliar application depending on which technique is most appropriate for the site, species to be controlled, and the threat of non-target mortality or herbicide damage to nearby native species: in particular, endangered or threatened plant species. Stacking remaining woody debris into brush piles and ignition will be included in some locations and seasonal windows. The Contractor shall provide all necessary supplies, equipment and tools including vehicles and gas for travel.