Note 5 — Chapter XXI · OUR SOJOURN ON BINGÖL
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The principal reservoir for the ice and snow has been the broad platform between Kara Kala and the western summit. Thence have issued towards the north extensive fields of moving ice, while the melted snow has poured into the hollow on the south of the platform and has carved down the great chasm. We could not trace the action of ice upon the rocks in that direction. I do not know whether we should be justified in dating the disappearance of these glaciers as far back as the glacial epoch. Striking evidence of the existence of a glacial period in these countries has been collected by a modern traveller in the highlands with their marginal region on the side of the Black Sea.5