SMITHSOMIAM MISCELLANEOUS COLLECTIOMS, VOL. 51 



GILMORE, PL. II 



i! i 





Fig. 1. --CHARACTERISTIC CUT BANKS OF THE LOW FLOOD-PLAINS DEPOSITS OF THE 



NOWITNA RIVER 



Fig. 2.— CUT BANKS ON THE YUKAKAKAT RIVER, SHOWING THE CHARACTERISTIC CURTAIN 



OF MOSS AND TURF 



