Miner's inch

The quantity of water which will escape from a ditch or reservoir through an orifice in its side one inch square, the center of the orifice being six inches below the constant level of the water, equivalent to about 1.6 cubic feet of water per minute. Defined by statute in Colorado as "an inch-square orifice under a five-inch pressure, a five-inch pressure being from the top of the orifice of the box put into the banks of the ditch to the surface of water " Mills' Ann. St. Colo. § 4643. See Longnure v. Smith, 26 Wash. 439, 67 Pac, 246, 58 L. R. A. 308.

Defined under Inch in Black's Law Dictionary.