PLATE 3A. Kilauea, northwest crater wall, seen from Keanakakoi, in which Uwekahuna tuff crops out a 
few feet above the crater floor between talus fans from C to B. Photograph by H. A. Powers, September, 1947. 
PLATE 3B, Lower mud-cracked stratum retaining human footprints, lying on bedded dune sand about 6 
miles southwest of Kilauea. Photograph of footprints by T. A. Jaggar, July, 1921; of vertical section by H. 
A. Powers, August, 1931. 
PLATE 3C upper crusted stratum of stony pisolite retaining human footprints in the same locality. Photo¬ 
graph by T. A. Jaggar, July, 1921. 
PLATE 3D. Pumice of about 1815 bedded on remnants of 1790 gravel not exceeding an inch in thickness, 
lying on pre-1790 stony pisolite. Below the 12-inch rule is the pisolitic agglomerate of the fifteenth phreatic 
eruption. Photograph by LI. A. Powers, September, 1947, at locality W. 
