Deep narrow ravine (5)
I believe the answer is:
(Other definitions for gulch that I've seen before include "American ravine" , "Narrow ravine (US)" , "valley" , "Narrow gorge with a stream in North America" , "Ravine - canyon" .)
I believe the answer is:
(Other definitions for gulch that I've seen before include "American ravine" , "Narrow ravine (US)" , "valley" , "Narrow gorge with a stream in North America" , "Ravine - canyon" .)