04194082 Wolf Ditch at Oregon OH LOCATION.--Lat 41°39'10", long 83°22'59" referenced to North American Datum of 1927, Lucas County, OH, Hydrologic Unit 04100010, on left bank, upstream side of Seaman Road bridge, 4 miles from the City of Oregon and 2 miles from Maumee Bay. PERIOD OF RECORD.--April 13, 2010 to current year.