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This image provided by NASA Friday Dec. 7, 2007 shows the snow highlighting the contours of the land. Waves and curves follow the gentle folds of the Appalachian Mountains through Virginia, West Virginia, Maryland, and Pennsylvania. The more rugged mountains of New Hampshire, Vermont, and New York wrinkle the surface of the land. A string of storms brought the seasons first snow to the eastern United States from the mid-Atlantic states to New England during the first week of December 2007. (AP Photo/NASA)