gorge) .... As we ascend the peaks suggest organ pipes, so vertical are the ridges, so jagged the ascending outlines. And each pipe is painted a different colour.... pale slate green, purple, yellow, grey, orange, and chocolate, each colour corresponding with a layer of the slate, shale, limestone, or trap strata " (Neve's Picturesque Kashmir, pp. 108 and 117).
Fig. 4. Burzil Pass.
In all this desolation there are tiny oases where level soil and a supply of river water permit of cultivation and of some tree growth.
Water divide near Baralacha and Rotang Passes in Kulu.— We have seen that the Indus and its greatest tributary, the Sutlej, rise beyond the Himalaya in the