North Box Elder Creek
Monday June 10, 1907
Strong west wind but warmer than yesterday. Dodds and I started for Sand Creek at 8 a.m. finding a much easier trail over the high Lyons ridge and down to the creek. The east slope of the Lyons escarpment is approximately the same as the dip at the contact between the Lyons and the Lykins formations, the latter lying apparently conformably on the former toward the base of the slope, having been eroded from the upper part of the slope. Sand Creekis nearly dry and the flat sandy bottom about 200 yards wide where we entered it. An elongated (N and S) hill through which Sand Creekcuts about E of our camp is an anticlinal fold in the Lyons formation the west limb dipping very abruptly and the east limb approximately the normal dip for the region. An E and W fold in the same formation occurs about a mile NW of this. North of this hill the entire valley
