The more experienced prospectors know these lesser known spots are the types of places where big finds are still made.

Reaserch is a critical step in finding new areas.
 

Much more information can be gained from that single source and gives you ideas on the gravels for dry washing or where the nuggets may lie for metal detecting

George was considering filling his dredge floats with closed-cell foam, ensuring that there would be no area available within each float for flooding.