Rock-fragments appeared, dotting the surface of ridges and coulees.
The captain had gone down there by way of one of these coulees.
We could see for several days buffaloes in the coulees on the Muddy.
Skulking in the coulees or speeding across the skyline of some distant rise occasionally could be seen a coyote or gray wolf.
The road was badly broken up with coulees and dry washes that a heavy rain would turn into embryo Colorados.
For two days the trail-herd had toiled wearily over the hills and across the coulees between the Missouri and Milk River.
The bare hills were sodden with snow-water, and the drifts in the coulees were dirt-grimed and forbidding.
Soon after this we crossed one of the coulees making into Mouse River.
The pink light changing rapidly to crimson was seeking out the draws and coulees where the purple shadows of night still lay.
Daylight found them once more in the saddle, exploring the mouths of coulees and scouring every foot of the scrub-bordered bank.