lablarea 1988 Dipodomys ingens 26 Aug Elkhorn Plains, San Luis Obispo Co, Calif. 1) Burrowing reptons are identifiable by large (~ 2 to 6 ft diameter) flat mounds of fine soil that is dug out of the currors + deposited on the surface 2) there are 2 types of curror openings: The typical A shaped ones, and plain circles that open into vertical tunnels which may drop for ~10 inches 3) The mound is covered by fine soil particles underneath which there is a crusty clay soil. On this harder surface can be found a large number of surface pit caches all placed + right next to each other. These pit caches were open + empty. The shape is A from above, and V in cross section. The size of the pits (1 inch wide x 1 inch deep) is not proportional to the size of these knats! 4) These rats (saw 2 diff ones) would sit up on the mound at dawn. The moon was full + setting + the sun rising. It's possible that they