Griggs Dam located on terrain feature Scioto River
Find the relation between <e1>Griggs Dam<\e1> and <e2>Scioto River<\e2>.
The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States. The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus. It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named). At the time, the reservoir was described as " the finest inland waterway in the United States.  "Located upstream of the smaller Griggs Dam, it provides a large area for various forms of recreation in addition to its water supply duties. The reservoir holds over a surface area of. The Columbus Zoo and Aquarium is located on the east bank of the reservoir, near the dam. In 1990, the dam was listed on the National Register of Historic Places. 
Griggs Dam Scioto River