the latitude is 50 North and the Longitude is 30 West..
Longitude and latitude result in a point location. A river is not a point it is a line you need to be more specific regarding which bit of the Ohio river you want located.
36.9867n and 89.1311w.
both,because Ohio is on latitude and longitude
INDIAN OCEAN
Dayton, Ohio.
That would be Columbus, Ohio.
The City of Cincinnati.
Columbus, Ohio.
The country at 45 degrees North latitude and 120 degrees West longitude is the United States. This coordinate points to an area located in the state of Oregon in the western part of the country.
Latitude: N 39° 57' 40.2318", Longitude: W 82° 59' 55.6591"
The center of the intersection of SR-2 and Mill St in Friendly WV, only about 550 ft from the bank of the Ohio River, is located at 39.51568° north latitude 81.05921° west longitude.
Latitude: 39°96′7″N Longitude: 83°77′9″W