What is Ohio River?
[[Image:Ohiorivermap.png|thumb|right|Map of the Ohio River and its basin, or the land that it drains.]] [[Image:Rising-sun-indiana-ohio-river--from-above.jpg|thumb|Rising sun on the Ohio river]] The '''Ohio River''' is the one of the most important [[tributary|tributaries]] to the [[Mississippi River]]. It is 981 miles long and it forms boundaries for the states of [[Ohio]], [[Kentucky]], [[Illinois]], [[Indiana]], and [[West Virginia]] before finally going to its headwaters in [[Pennsylvania]]. It is its widest a little to the West of downtown [[Louisville, Kentucky|Louisville]], where it is one mile wide. Cities on the Ohio River include [[Evansville, Indiana]], [[Paducah, Kentucky]], [[Cincinnati, Ohio]], [[Pittsburgh, Pennsylvania]]. The river begins in Pittsburgh. The [[Wabash River|Wabash]], [[Kentucky River|Kentucky]] and the [[Tennessee River]]s flow into the Ohio. == Other websites == *[http://www.historicohio.org/ '''Historic Ohio, the magazine'''] {{Webarchive|url=https://web.archive.org/web/20071015003232/http://historicohio.org/ |date=2007-10-15 }} *[http://www.historicalpreservation.org/ '''Ohio Historical Preservation Group'''] {{Webarchive|url=https://web.archive.org/web/20090327215901/http://www.historicalpreservation.org/ |date=2009-03-27 }} *[http://orvf.com/ Ohio River Valley Families Online Searchable Database], a genealogy resource *[http://terraserver.microsoft.com/map.aspx?t=1&s=14&lon=-89.1538398279652&lat=36.9976844072984&w=750&h=500&opt=0&f=Tahoma,Verdana,Arial&fs=8&fc=ffffff99 Image at the confluence with the Mississippi River] *[http://earthtrends.wri.org/maps_spatial/maps_detail_static.cfm?map_select=393&theme=2 Watershed information] {{Webarchive|url=https://web.archive.org/web/20051226175609/http://earthtrends.wri.org/maps_spatial/maps_detail_static.cfm?map_select=393&theme=2 |date=2005-12-26 }} *[http://www.erh.noaa.gov/ohrfc/ Ohio River Forecast Center], which issues official river forecasts for the Ohio River and its tributaries. {{US-geo-stub}} {{authority control}} [[Catego