(186) N of Grinnell Ford 2 ft calumet Clinton, 14 ft next green, Madison - 609 19½ massive Madison cap to base of massive Madison. 25½ Strath v. which immediately above, Sthomina halli. 17ft more fossil forms in top of massive crals, 16ft tender madison + circular clay rock, 33½ tender Madison, heavy it w, ledge at tip, cap forms at face, 8ft wrinkled clay shale almost non-fossil. 11ft, less fossil forms above Plat lying above + thin fossils, below 3½ ft massive crass limestone, 476 = base of coarse limestone. caged badly to a clay rock battle 60 ft coarse limestone lower part dun 52 ft brown boggy clay, 111ft lower boggy clay with few fossils 1½ ft local Niagara 2 ft transition, 187 8½ ft up to top of local Niagara, .544 = Clinton in 2 ft upper boggy clay. 5 ft coarse limestone are boggy clay lower