578, 32 S. EB. 625.—Head of stream. The highest point on the streant which furnishes a continuous stream of water not necessarily the longest fork or prong. i v. Reynolds, 64 S. W. 498. Ky. Law Rep. 750; State v. Coleman, 13 N. J. Law. 104.— Head of water. In hydraulic engineering, mining, etc., the effective force of a body or volume of water. expressed’ in terms of the vertical distance from the level of the water in the pond, reservoir, dam, or other source of supply, to the point where it is to be mechanically applied, or expressed in terms of the ressure of the water per square inch at the fatter point. See Shearer vy. Middleton. 88