Four 1,900-year-old Roman swords found in cave in Israel

[fernando]

Originally Posted by Gavin Nugent

... No pawing over old maps of garrison sites and potential conflict zones, followed by long discreet metal detector walks....

Some (freelance) strategy is to keep updated with new archelogical sites and their perimeters and scan the ground close from their boundaries; before findings pop up in 'breaking news' and site perimeters are extended.