Ridges may be arranged in curves.Logical formLearned from1 sentences. A series of ridges may like teeth of a comb.Logical formLearned from1 sentences. A (shore plain) may be broken by ridges.Logical formLearned from1 sentences. Stony ridges may rise to a plateau.Logical formLearned from1 sentences. Ridges of gravel may flank hills.Logical formLearned from1 sentences. Some pits may occur on ridges of a crown.Logical formLearned from1 sentences. Ridges may pertain-to a crown.Logical formLearned from1 sentences. Ridges can be concentric with a margin.Logical formLearned from1 sentences. Ridges may multiply a gradient.Logical formLearned from1 sentences. A drainage may flow_down slopes of ridges.Logical formLearned from1 sentences. Platforms may grow into ridges.Logical formLearned from1 sentences. Spaces of ground may be left as intervenning ridges.Logical formLearned from1 sentences. Ridges may be ascended.Logical formLearned from1 sentences. A feature of a country can be ridges of deposits.Logical formLearned from1 sentences. Ridges may be covered with some lakes.Logical formLearned from1 sentences.