miner's inch

(no longer in common use) Discharge from an orifice 1 in.^2 under a definite head, fixed by statute or practice but differing from state to state. In Colorado, a miner’s inch equals 0.00074 m3/s. In Arizona, northern California, Montana, Nevada, and Oregon, a miner’s inch equals 0.00071 m3/s. In southern California, Idaho, Kansas, New Mexico, North Dakota, South Dakota, Nebraska, and Utah, a miner’s inch equals 0.00057 m3/s.

Authorization Path: 2.4.5.2.20.15