In the mountains of western North America, montane glaciers that had completely melted reformed shortly before 5000 BP. The most severe part of the best documented neoglacial period, especially in Europe and the North Atlantic,  is termed the "Little Ice Age".
In the mountain ranges of western North America, alpine glaciers that had completely melted reformed shortly before 5000 BP. The most severe part of the best-documented cold period in Europe and the North Atlantic is referred to as the "Little Ice Age".