Parkersburg, farther down the Ohio Valley, has a winter mean of 34° and a summer mean of 74°.
Immediately before the Civil War, petroleum was discovered in shallow wells near Parkersburg, and there was a great rush of prospectors and speculators to the Little Kanawha Valley.
The Baltimore & Ohio railway leads in trackage: it enters the state with several lines at its northern end; its main line crosses this portion of the state from east to west, striking the Ohio at Parkersburg, and one of its lines (Ohio River railway) extends nearly the length of the state from Wheeling in the north through Parkersburg to Kenova in the south.
The principal cities of the state are Wheeling, Huntington, Parkersburg, Charleston (the capital), Martinsburg, Fairmont and Grafton.
PARKERSBURG, a city and the county-seat of Wood county, West Virginia, U.S.A., on the Ohio river, at the mouth of the Little Kanawha, about 95 m.