Lake Albert, also known by its Ngarrindjeri name, Yarli, is a notionally fresh water lake near the mouth of the Murray River in South Australia. It is filled by water flowing in from the larger Lake Alexandrina at its mouth near Narrung. It is separated on the south by the Narrung Peninsula from the salt-water Coorong. The only major town on the lake is Meningie. Lakes Alexandrina and Albert are together known as the Lower Lakes.
You will be looking for a non magnetic mint tin placed in the uprights along the Mannum pipline no need to climb under or over the pipe as the cache can be easily found on approach.