Advisory Council for Historic Preservation (ACHP) followup letter to Army Corps of Engineers – 7/21/17 Posted onJuly 21, 2017July 25, 2017AuthorKaren Advisory Council on Historic Preservation Letter to Corps of Engineers 072117 Share this:Share Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print