(Memory requirements) can be steep.Logical formLearned from2 sentences. A (stone roof) can be steep.Logical formLearned from2 sentences. A (tree skiing) can be steep.Logical formLearned from2 sentences. Ascents can be steep.Logical formLearned from2 sentences. (Carbonate cliffs) can be steep.Logical formLearned from2 sentences. Some sides of a (hill mass) can be steep.Logical formLearned from2 sentences. (Haul operations) can be steep.Logical formLearned from2 sentences. A (rock outcrop) can be steep.Logical formLearned from2 sentences. A (flowing northwest) can be steep.Logical formLearned from2 sentences. A (roof characteristic) can be steep.Logical formLearned from2 sentences. Some grades can be steep.Logical formLearned from2 sentences. A (shoulder turn) can be steep.Logical formLearned from2 sentences. A (summit finish) can be steep.Logical formLearned from2 sentences. A (fjord landscape) can be steep.Logical formLearned from2 sentences. Approaches can be steep.Logical formLearned from2 sentences.