The Fraser River
Working Inside the Channel
The Fraser River is the only river or stream in BC where
machine digging is permitted on bars in the river channel.
There are
rules,
of course. They are called "guidelines", but I believe that a
reclamation permit (required for machine digging) makes them
"rules" that must be followed.
These rules include (but are not limited to):
- all operations must be "in the dry"
- sluice, tailings, pond at least 10 metres from water
- no storage of fuel on gravel bars
- mining activities only in un-vegetated parts of the bar
- diggings must be filled and leveled as gravel is processed
And, as usual, no dirty water from a placer operation may flow or
visibly seep into the river.
Season and Water Level
Fraser River bars can only be mined very early in the season (possibly
as late as early-June) and after the water has gone back down (possibly
as early as late August).
When working on the Fraser bars with equipment, it is important to keep
an eye on the river. The level of can rise quickly and equipment (like
excavators) can be lost.
Always More Gold
The Fraser River is always carrying gold. When the water is high, the
bars act like giant sluice boxes, trapping gold between gravel and
cobbles (small boulders). Most of the gold is fine, much of very fine.
Sluice boxes should be designed with this in mind.
Catching the coarse gold is fairly easy. Catching the fine gold is
much more important.
See Fine Gold for more information.
Machine Digging
Fraser River bars are good for machine digging. Gold is trapped in
the tops of bars every year. Processing just the top foot or so may
recover the majority of gold on the bar that is "in the dry"
(you can't work deeper than the dry material in the bar).
It is worth testing to see if any deeper material is worth processing.
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