WALLA WALLA, Wash. – As part of its environmental stewardship mission, the Walla Walla District of the U.S. Army Corps of Engineers invites public comments until April 2, 2015, on the draft Finding of No Significant Impact (FONSI) and Environmental Assessment (EA) for “Mosquito Control Activities Licenses for Benton County, Franklin County, Columbia and West Umatilla Mosquito Control Districts (MCD).”