be entirely carried through the sluice-boxes, only in high
water in the spring is it necessary to divert part of it.
After the gravel is shovelled clear, bed-rock is carefully

cleaned by hand so as to recover any gold that may be lodged
in cracks.

Note.

For those who specially request it, prints of Fig. 1
‘on a scale of 400 feet to 1 inch may be obtained for

$1.50 each.