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While the Army of the Potomac converged toward Cemetery Ridge, Lee's army took position on a parallel ridge approximately 1,400 yards to the west, named Seminary Ridge after the small Lutheran seminary located at its upper extremity. Soon it became evident that Lee would have to take Cemetery Ridge to defeat the Union forces, and Cemetery Ridge proved for the Union army a natural and highly advantageous redoubt. Shaped like a fishhook, with the barb northward at a high place known locally as

The theory of sea-floor spreading is amply supported by other evidence. Dating methods show that the age of the matter adjacent to the mid-Atlantic ridge increases with distance from the ridge. The thickness and age of the marine sediments on the sea Floor also increases with distance from the ridge. Measurements of heat flow on the sea Floor indicate that greater amounts of heat movement are associated with the ridge than with other areas. This would be expected if the "roots" of the ridge extend downward to reach the earth's warmer interior which is the source of lava. Finally, the existence of the fracture along the crest of the ridge shows that certain forces are present—tensional forces—that are quite compatible with the concept.

The Apple Blossom Festival (Winchester) and the Azalea Festival (Norfolk), both in April, are nationally known events. During Virginia garden ridge Week in April, private homes and gardens are opened to the public. The major resort areas are located at Virginia Beach, along the Chesapeake, and in the national park areas of the Blue Ridge. The Blue Ridge Parkway and the Skyline Drive along the crest of the Blue Ridge provide scenic views. The most famous natural phenomenon is the Natural Bridge (Rockbridge County). In the lower Shenandoah Valley are the Grand Caverns, Luray Caverns, the Endless Caverns, and others. There are mineral springs in Bath County, and the famous Cumberland Gap is in far southwestern Virginia.