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iddle; on the other face, which has been pecked, apparently with a flint tool, to make it level and even, is also a cavity, but it is small and shallow, showing that this side of the stone was but little used. DOUBLE CAVE (21) On Walter Miller's farm, 11/2 miles below the Crocker and Waynesville bridge, on the left side of the river, is the "Double Cave," so called for the reason that it has two entrances. The one farthest down the river is more nearly in line with the general trend of the cavern. Its opening is 35 feet wide and 20 feet high. At 40 feet in from the mouth, on the left or up-river side, the two parts of the cavern unite, a triangular partition of the original limestone strata separating them up to the point of junction. Across the apex of the triangle the main cave is 50 feet wide; there is no vertical wall on the right (east) side along this portion, the roof sloping down gradually until it meets the earth floor; it may extend farther, making the cave that much wider at the bedrock bottom. The cave earth at its highest point is fully 10 feet higher than at the entrance; but this may not mean that it is 10 feet deeper, for there are indications that the rock floor also rises from the entrance toward the interior. Digging in the front part of the main cave--that is, in the portion behind the lower entrance--would be impracticable owing to the huge rocks, some of them lying on the floor, others deeply imbedded in the earth; consequently part of them, at least, fell while the cave was inhabited. From the junction of the two branches the cave earth extends back 60 feet to clay and gravel washed down from the interior; there is ample light at this point, and for some distance beyond. In part, this gravel seems to overlie the loose earth; it is still depositing, and the manner in which the various materials intermingle and overlap at their meeting place indicates that the cave earth to some extent underlies the gravel and clay. This feature is worth investigating, as it might have a bearing upon the relative age of the cave deposits. The entrance to the branch cave is 20 feet higher in the face of the bluff than that of the main cave, and consequently much above any water flowing from the interior; it is 20 feet wide by 15 feet high. Measured along the east wall, it is 40 feet from this entrance to the apex of the triangle separating the two parts of the cavern. The greatest width of the united caves
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