13th – We are now among the sand hills & the sod houses of Neb. At 3:00 PM a blizzard passed over our path. Stopped at Alliance, Neb for 15 Min. Got a gallon of coffee, cost 25ยข. Made out of tobacco, I believe. At 3:15 the Cedar & the Fir began to appear. At Ardmore, S.D., we saw some…