Abstract
A landslide area is the living place for people from ancient time, and therefore in the place there should be the history of the complication between the people and the landslide movement for a long time. The author, thereupon, searched for the historical data on the people and the mass movements and data on the deformation of topography in the Choj a landslide area, and could obtain the information about the way of disposal with the landslide movements and some precious keys to investigation of direct cause of mass move ments, elcidation of movement mechanism, and planning of preventive countermeasures.
