Underwater arrowheads, tools dazzle Maritime historians Last Updated Thu, 17 Feb 2005 15:28:09 EST CBC News HALIFAX - Archaeologists are showing off a treasure trove they call one of the most significant discoveries of Mi'kmaq artifacts in Nova Scotia. Hundreds of arrowheads and tools, some 8,000 years old, were discovered last summer along the Mersey River, near Kejimkujik National Park in the southwest region of the province. Workers from Nova Scotia Power were doing repairs to generating stations on the river. As water levels dropped in some areas, the riverbed was exposed for the first time since dams were built...