Page:Field Notes of Junius Henderson, Notebook 2.pdf/120

 E dip of about 25˚. The actual disappearances of the other Cretaceous formations under the Tertiary could not be observed. Started back at 3:30. The gulches south of the Tertiary bluffs expose what appear to be worked over Tertiaries. In some instances the lower exposed stratum is a conglomerate composed of the worked over red Tertiary conglomerate, and is covered by clay indistinguishable from the original Brule clay. In other cases the bottom exposure is a conglomerate of Brule clay pebbles an inch or so in thickness. In one gulch near the foothills is a Fox Hills or Pierre exposure with a southerly dip of 18˚. My impression is that practically the whole area W of in Livermore Quadrangle and N of  should be assigned to the Tertiary, and indeed on east nearly to, as I found Laramie only a short distance W of that creek. I saw 5 or 6, 2 and numbers of. No sheep and but a few cattle. Reached hotel at 9:20, worn out. The last few