[Saturday] "The road is now hard and gravelly, quite broken, sage but little grass. We found some about 2 P.M. and nooned on it. The country broken with deep ravines all dry, road rocky in some places. Uphill and down all the way. I could not stop my diarhea though I took plenty of camphor & opium, and being worse in the afternoon I was compelled to ride again. I walked all I could as were all sick and the team nearly give out, and I knew that if I rode more than the rest I should be sure to hear about it.
The road from Sandy to Green River is well lined with dead cattle and horses, and we passed many live ones left by their owners which must soon die as they can get no water, though they might possibly find a little bunch grass. The Wind River Mts. in the N.E. and a long range of Mts. to the S. are white with snow. Those to the N. but a short distance off and are timbered with pine or other evergreens, but no timber on the plains. Nothing but bare hills with the most savage and desolate aspect imaginable. There is a grandeur and sublimity in a view from some of these hills that you look for in vain elsewhere. We arrived at Green River about 9 P.M., all of us tired out and sick. No grass near, but plenty of alkali springs. We tied our cattle to the wagon and went to bed. We have a very long steep hill to come down to get to the river. It is down, down. down."
The map below shows McKinstry's approximate camp location on July 13