I know there's precisions metals in the Mississippi /Missouri River's (I got some !) and "if" I were to get a 10 inch dredge I'd need a crew of like to assist me in using it on these water course's during the Summer's . maybe a week at a time ? No drunk's , no drug's , honest and all must be determined to get the gold ! I would need 2 divers (scuba qualified )and 2 deck hands . I'd like to rent a house boat to tow it up River and to house the crew while out for the week. What else should I be concerned or look into as far as contracts and pay for the crew ? This is a inquiry into the fesability of such a venture that I've been thinking about for sometime !