F^G. 2 7. — Blue grass pasHire land on the flood-plain of White Water river. 

 This and the succeeding- hgure serve to illustrate change in the nature of the 

 flood-plain by the deposition of gravel upon fertile areas. 



Fig. 28. — Gravel bar thrown down upon blue grass pasture land. This 

 and the preceding photograph were taken from the same spot by merely 

 facing the camera in another direction. 



