Complex sentence: Most of the totems at the two parks are replicas of older poles, a practice that began during the Roosevelt Administration through the Civilian Conservation Corps, while the Totem Heritage Center displays preserved 19th-century poles rescued from abandoned village sites near Ketchikan.
Split into simpler sentences: Most of the totems at Saxman Totem Park and Totem Bight State Park are recarvings of older poles, a practice that began during the Roosevelt Administration through the Civilian Conservation Corps. The Totem Heritage Center displays preserved 19th-century poles rescued from abandoned village sites near Ketchikan.