THE MINER'S INCH.
The
miner's inch of water is a quantity which varies in almost every
district in California; no one gauge has been uniformly adopted, nor
has any established pressure been agreed on under which the water shall
be measured. In some counties there are 10, u, or 12 hour inches, and
in others there is a 24-hour inch. The apertures through which the
water is measured are generally rectangular, but vary greatly in width
and length, being from one inch to twelve inches wide and from a few
inches to several feet long. The discharges are through i-inch,
ij-inch, 2-inch, and 3-inch planks, with square or with square and
chamfered edges, combined or not, as the case may be. The bottoms of
the openings are sometimes flush with the bottoms of the boxes,
sometimes raised above them. The head may denote the distance above
the centre of the aperture, or
