in diameter and 15 to 20 fut is upheaved. Toll tuff prior fit. Near this log are laminated and brecciated limestones in their beds. A sharp peak also sticks out here and to my surprise it proved to be a quartzite. Of all these things first sample. The tree looked to me like those of the Potomac about Boazhington. He looked for marine fossils but saw none or any leaves or wood debris. Some jasper beds are in greenish shales. The Conemelian must be very thick since we saw it across the hills for more than one mile. The strata is about N-S, and the dip to the E, about 25 to 35 degrees. All the cuts head down due to insola- tion, and the pieces are carried down the grade of the Bethesda, now seeming smaller. The rains wash away the gre debris into the Bottoms, and get for me also sees large pieces. This is due to the cloud bursts and the sheet washing.