Keywords: Flood heights markers at Marietta.jpg 39 25 14 N 81 27 47 W A set of poles on the grounds of the w Ohio River Museum in Marietta Ohio Marietta Ohio United States Each pole commemorates a different major Ohio River flood that affected the city the height of each pole matches the surface of the water at the flood's worst point; from left to right they are 1884 1898 1907 1913 and 1937 Own 2012-10-22 User Nyttend Nyttend History museums in Ohio Marietta Ohio Flood level markers in the United States Floods in Ohio Ohio River Scenery pictures by User Nyttend Great Flood of 1913 |