Got myself 2 pairs of these , total price from the States including shipping under 130 , they are hard wearing, very light and can be submerged all day wont rot or smell , made to drain and dry fast...
Look for a site that shows historical Aerial maps for your State in Qld i use Qld Imagery
Then get Maprika
Load Image into there and set reference points off roads and known buildings etc
I also use old maps and Toppo Maps
and cross reference using Google Earth for clear Sat imagery and...
Low tides are favourable for some good cut searching Sat and Sun , charging up the Nox tonight.
https://earth.nullschool.net/#current/wind/surface/level/orthographic=-204.34,-26.18,1821
Funny thing about this site is where the coins are being found is nowhere near where any buildings were. There's bugger all rubbish targets and the coins are no deeper than 4 inches down. Im only guessing but i'd say the paddocks may of been used for a staging/camp area for the Army during and...