aligning beach and coast to new images - better estimages for LW and HW marks. Needs local measurement on the ground.

note to fix beach to LW and coast to HW

adjusting beach to PNOA low water - might be lower tide line on the gorund.

Fixing poorly mapped beach. Coastline moved to estimated MHSW (probably too low), Beach drawn to LW mark. It was draw on an arbitary midline of the beach. Local mapers people improve HW mark. There is also an arbitary "river area" on the beach at one po

Align coast to estimated MHWS, an beach to full size, estimated LW according to wiki norms