Øivind, are you sure there's no gold left
The machine looks impressive!
Thanks for commenting Thomas and Jakov.
Yes dimensions of the dredge were even more impressive than the images indicate, quite a monster. At the time one could walk inside and explore. Unfortunately I do not have scans of any of those images at this time and I recall some problems with low light levels.
Jakov, sure there is lots of gold left. Fort Knox is a large gold mining company just north of Fairbanks,
http://www.paulcolor.com/index.php#mi=2&pt=1&pi=10000&s=1&p=0&a=0&at=0
There are several stores in Fairbanks specializing in selling equipment for small scale gold mining, like wet suits etc. (for panning in steams). As in the old days the ones getting "rich" on that are the suppliers of equipment, so it is called "recreational gold mining".