thus , to give an example from an earlier point , a primary text for the story of the coming of turin 's band to the hill of amon randucirc ; dh , the dwelling place that they found upon it and their life there , and the ephemeral success of the land of dor-cuarthol , was written before there was any suggestion of the petty-dwarves ; and indeed a fully-developed description of mim 's house beneath the summit appears before mim himself .