Civ. Germ. Sc: XI, 1842 J. Koll. p. 53. "Near along the boundary between Ohio and Indiana, both in the same general direction, there is an artificial arm, thrown by the state in deep earth down to Ohio, and if ever the water once exhausted and flowing down or round that way have been created up" Cincinnati: 201. Sci. 328, 1874. Civ. Germ. Sc: VI, 22, 1876 The East-West line of the Cincinnati Island about the circumference of Ohio and Indiana, as described by Dr. Adam Smith in his book on the subject has been found to be correct for a certain distance and is extending on an even course.