本文提供茂县土地垭观看谷中谷景点及北川青石峡谷景点，并首次提出北川地区有第四纪冰川遗迹存在。
This paper Outlines the valley-in-valley landscape in the Tudiya, Maoxian and the Qingshi Gorge landscape in Beichuan and firstly describes vestige of the Quaternary glaciation.
本文提供茂县土地垭观看谷中谷景点及北川青石峡谷景点，并首次提出北川地区有第四纪冰川遗迹存在。
This paper Outlines the valley-in-valley landscape in the Tudiya, Maoxian and the Qingshi Gorge landscape in Beichuan and firstly describes vestige of the Quaternary glaciation.
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