Page:Field Notes of Junius Henderson, Notebook 2.pdf/19

 white zone and about the same above. The white zone itself, including an intermediate reddish zone is 50 ft. or more in thickness. The upper member of the Lyons is eroded back from the edge to make a low ridge and the Lykins still further back, in each case the dip of the strata forming the surface of the hill. Erosion appears to proceed almost wholly at the edges except where drainage breaks through. Wind quieted down very much and it was warm in afternoon.

Tuesday,

East wind this morning, perfectly clear and hot. Dodds and I started N along the Fountain granite contact. In the gulch coming in to from the N we found the drainage line to be practically on the contact in some places. S of the ranch about a mile N of in the lateral N and S valley is a strong outcrop of  Fountain