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ODNR Lake Maps

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Historical Topographic Maps

1917 map of the Scioto from downtown Columbus to Bellepoint, showing the river before the construction of Griggs and O'Shaughnessy reservoirs

The Olentangy valley north of Delaware, 1944, before the construction of Delaware Reservoir. Note the town of Marlboro Church.

The Olentangy valley from Columbus,north past Clintonville and Worthington, to Flint. Seagrave is the intersection of Lane & Kenny. Olentangy is the intersection of Bethel and Kenny. Elmwood is Linworth.

The Alum Creek and Big Walnut valleys in 1902, from Columbus, past Westerville and Gahana and Central College, to Cheshire and Sunbury, before the reservoirss were built.