August 28-1918. Middle Arm 20' Black slaty shale, vertical, striking S 13W. 16 Dark gray sandy ss. 12½ Black slaty shale 10' Hard greenish gray sandy ss. 5½ Black shale partly exposed. 5" ss. like that above. 30' Black sandy shale and slate 58½ Dark greenish gray ss. like above, in heavy beds the weather. 16½ Black slaty shale, at various places becoming sandy. 18½ ss. like that above. 27' Black shale 48" ss. sandy shale and shale 120' Half dark greenish-gray ss. Considerably marked. 50' Shale partly exposed 220½ Dark greenish gray to black shale ss. in heavy beds that weather them and shale. The dip here is N 30 E. Layers remain practically constant thus far, and the beds are all practically vertical and while somewhat curved and that fault with crevices calcite there is no folding or duplication. (2) 3½0' Black shale and sandy shale with are 3/17th bed of ss. which is cryptocrystic, the latter being as layers peac and consisting of quartz and flattened pieces of black sandy shale in limestone.