Photograph of unidentified Civil Engineering students and Civil Engineering professor John Cornelius Penn at Camp Armour on Upper Trout Lake... Show morePhotograph of unidentified Civil Engineering students and Civil Engineering professor John Cornelius Penn at Camp Armour on Upper Trout Lake near Boulder Junction, Wisconsin. Camp Armour was the site of a six-week fieldwork course for Civil Engineering students. Photographer unknown, possibly Robert Anderson. Date of photograph is unknown, presumed to be 1942. Show less