Abstract
The author studied photographic interpretation of landslide areas and collapsed places in some regions of Japan, and grasped geomorphological features in the studied areas by some geomorphological methods, and considered with the viewpoint of historical development of landforms by comparison with geological structures. In this paper geomorphological features and changes of some large landslides is explained by photographic interpretation, and discussed the necessity of studies of historical development of landforms for scientific researches of landslide mechanism.
