The Back Wall of the Mill Identified!
22nd February: A very good day today with the digger and dumper. We have identified the back wall of the mill (see pictures below) and found a wall of the saw pit/woodworking shop.
Two images of the back wall; the first taken on 22 February and the better one on the right taken 23 February.
24th February: I have erected the red and white tape line on the head race to indicate the outside of the mill rear wall. So the outside depth of the mill is now established as being around 35 feet: