RE:basic knowledge of RE miningagain, good summary Lid. Makes complete sense that even the Dumbinator should be able to understand. For a surface mine all you need is a large excavator and a large truck to get the material from the excavation to the mine process so high volume is easily achievable which is critical for a low grade mine. However for a low grade underground mine volume is very difficult and much more expensive because of the process of having to get small transport vehicles (rubber tire or rail) to and from the excavation face up to the ground surface through a narrow tunnel. And of course the cost to maintain the tunnel for the safety of the workers as the excavation gets deeper and deeper. Very good education for these Ucore investors and potential investors. Sounds like a classic pump and dump to me. Just a question of when the bottom falls out.