Please join our new sister site dedicated to discussion of gold, silver, platinum, copper and palladium bar, coin, jewelry collecting/investing/storing/selling/buying. It would be greatly appreciated if you joined and help add a few new topics for new people to engage in.
Dont if anybody knows this but I just worked it out. If you open the link then it will give you several options to view it and 1 is google, click that one
Edit - If in WA the ones I use are Tengraph, Geomap as the main ones. If your interested I am doing a training course in WA on exactly what you are wanting to do. Not saying you can't already do it, but it may help save you some time in learning and pick up a few tips along the way, still spots left.