by E.V. Miller and D.A. Hubbard, Jr., folded 42 x 32-inch limited color 1:50,000-scale map, 1986. This map, from a topographic base with contour interval equal to 20 feet, shows slope categorized into three classes: 0-15 degrees (low to moderate), 15-35 degrees (moderate to steep), and >35 degrees (steep to vertical) for Giles County, Virginia. Also depicted are the locations of known sinkholes, areas of subsidence, cave openings, and landslide deposits.
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