Grand Canyon area.Divided into 2 sections: the Northern cliff edge and the edge of the cliff below the v-Valley, by having been eroded by the river between.
The area in Grand Canyon is divided into two episodes, including with the northern edge of the cliff. And the southern edge of the cliff The Valley V Is eroded by the river between the middle.
The area in the Grand Canyon.Divided into 2 when together, including the edge in the north and south side edge. The valley the v. ถูกกัดเซาะ with river between center.