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U.S. Geological Survey; R.B. Marshall, Chief Geographer; E.C. Barnard, Geographer in charge; topography by Chas.E. Cooke and D.F.C. Moor; control b... The Survey.
1996. Federal Emergency Management Agency. Q3 flood data for Ohio, 1996. The Q3 Flood Data are derived from the Flood Insurance Rate Maps (FIRMs) published by the Federal Emergency Managemen... Federal Emergency Management Agency.