The impact of wave action is not apparent away from the river, but wind ripples are evident in the sand of the foreground. Grand Canyon National Park, Coconino County, Arizona. 1974.

Album caption and index card: Comparison of this photograph with the earlier one (photo no. 32) reveals several changes. The impact of wave action is not apparent away from the river, but wind ripples are evident in the sand of the foreground. Using the collapse blocks as references, it is apparent that aggradation, perhaps from the wind, has occurred on the higher parts of the beach, and erosion has reduced the sand deposit toward the base of the sloping beach. The sand bar across the river to the right appears new. The only plants visible are scattered saltcedars. The lack of more vegetation probably results from the low light intensity within the cavern and trampling by the thousands of visitors that stop here each year. Men and [...]