Conical stones of the Louisiade Archipelago of Papua New Guinea and of the New Georgia group of the Solomon Islands in Journal of Historical Archaeology & Anthropological Sciences. Harry Beran & Anthony JP Meyer, June 27, 2018. This article adresses a type of stone tool that the people of Sudest and Rossel islands in the Louisiade Archipelago of Milne Bay Province, Papua New Guinea, use to crack large nuts and pound their contents. These conical and obviously man-made stones are of special interest because the people of these islands report that they find them in the ground or in rivers and say they do not know who made them. Thus these tools must be of considerable age and pre-date the actual indigenous populations...