|1.||Abbreviation and zip code: OH a state of the central US, in the Midwest on Lake Erie: consists of prairies in the W and the Allegheny plateau in the E, the Ohio River forming the S and most of the E borders. Capital: Columbus. Pop: 11 435 798 (2003 est). Area: 107 044 sq km (41 330 sq miles)|
|2.||a river in the eastern US, formed by the confluence of the Allegheny and Monongahela Rivers at Pittsburgh: flows generally W and SW to join the Mississippi at Cairo, Illinois, as its chief E tributary. Length: 1570 km (975 miles)|
"America was discovered accidentally by a great seaman who was looking for something else, and most of the exploration for the next fifty years was done in the hope of getting through or around it." [S.E. Morison, "The Oxford History of the United States," 1965]
Capital of Ohio.