-163- Section 12 Contd. Gaptank Formation 7. Covered where section was measured; coll. 12-7 was made from this unit 300 yards to northeast, Triticites comptus, T. primarius, T. milleri . . . . . . . . . . . 80-150 6. Limestone, medium gray, organic fragmental, 5 foot beds, coll. 12-6, Triticites ohioensis, T. primarius . . . . . . . . . . 15 5. Covered . . . . . . . . . . . . . . . . . . . 200 Haymond Formation 4. Limestone, orange-brown weathering, on knoll SSW of summit of Leonard Mountain, coll. 12-4, Fusulina megista . . . . . . . . . 4 3. Sandstone, orange-brown weathering, very silty, with interbedded light gray shale, 3 inch to 2 foot beds . . . . . . . . 100 2. Chert, dark brown to black, 3 to 6 inch beds with thin shale interbeds . . . . . . . 70 Dimple Formation 1. Limestone, dark gray, mostly calcarenite, 6 inch to 2 foot beds, thin shale part- ings, brown chert bands near top of most