Page:Field Notes of Junius Henderson, Notebook 3.pdf/92

 beneath the escarpment and rest upon reddish, thinbedded, crossbedded sandstones resembling the Lyons sandstones of southern, but likely of later age. The river just within the canyon occupies the valley back of the Dakota escarpment. Dips here are approximately north (N by NW perhaps). Dips from to here are thus: ((drawing in field book)). Collected, , and  10 miles from , just within the canyon a mile or two. This is the first place I have found common on the trip, I believe. We soon passed into the red beds. The