 A survey of the archaeological and paleontological potential of the Yukon Flats , conducted in 1965 , objected to the potential loss of the area . In part , it said , " ... it may be said that relatively speaking , the archaeological potential of the Rampart <unk> area is great ; the practical difficulties of field work will have to be overcome in order to obviate the possible loss of what may be some of the most important prehistoric records in North America . " 
