A topography may pertain-to ridges.Logical formLearned from2 sentences. Low ridges can be in a surface.Logical formLearned from2 sentences. Ridges can be above a town.Logical formLearned from2 sentences. Ridges can be constituted-of-or-filled-with height.Logical formLearned from2 sentences. Ridges may have marks of cultivation.Logical formLearned from2 sentences. An organ may be made by ridges.Logical formLearned from2 sentences. Low ridges can be in a mare.Logical formLearned from2 sentences. Some ridges can be on a floor.Logical formLearned from2 sentences. A system can be constituted-of-or-filled-with (wrinkle ridges).Logical formLearned from2 sentences. (Strike ridges) may be composed of sandstones.Logical formLearned from2 sentences. Some ridges can be on top.Logical formLearned from2 sentences. Ridges can be on molars.Logical formLearned from2 sentences. Ridges can be on some side.Logical formLearned from2 sentences. Ridges can be with sides.Logical formLearned from2 sentences. Ridges can be sterile.Logical formLearned from2 sentences.