. "1.82109e+06"^^ . . . "Cedar Bog State Nature Preserve is a fen left behind by the retreating glaciers of the Wisconsin glaciation about 12,000-18,000 years ago. A protected area of about 450 acres (180 ha) of fen remain from the original area of approximately 7,000 acres (28 km\u00B2).Cedar Bog is located in Champaign County, Ohio, United States, near the city of Urbana."@en . . "Cedar Bog Nature Preserve"@en . .