Getting Gold off The bedrock ,Clay or caliache Golds Heavy and it will always settle and sink to a solid bed this can be hard clay rock or caliache a hard mineralized cement like material here we are working the side of a wash digging down to rock behind boulders is another good area to work try to get down to something solid where the gold will settle here a paint brush comes in handy to sweep any gold out of the crevices of the rock screen into a bucket and run it through your dry washer make sure its good and dry if your using water in a sluice being dry not important you can  run it right away the reason you want the material dry with a dry washer is most of gold will be lost right out the end and be missed running damp material through a dry washer.