Browse Items (1 total) Tags: Tent Camp Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Photo of United States Army Tent Test Camp at Lake Decatur. Photo of United States Army Tent Test Camp at Lake Decatur, Decatur, IL. Men and dump truck in photo. Tags: Army, Decatur IL., Lake Decatur, Tent Camp, World War II, WWII Featured Item Comprehensive Employment & Training Act Approval - October 16, 1975 This is the Library's approval of the Comprehensive Employment and Training Act.