Time of travel of water in the Ohio River, Pittsburgh to Cincinnati.
Steacy, Robert E. 1915-
Time of travel of water in the Ohio River, Pittsburgh to Cincinnati. - Washington, 1961. - iii, 14 p. map, diagrs., tables. 27cm.
gs 61000226
Stream measurements--Ohio River.
QE75 / .C5 no. 439
Time of travel of water in the Ohio River, Pittsburgh to Cincinnati. - Washington, 1961. - iii, 14 p. map, diagrs., tables. 27cm.
gs 61000226
Stream measurements--Ohio River.
QE75 / .C5 no. 439