Photo by W. L. Bray. 
Fic. 27.. Soil section of the sand flat shown in fig. 26. The leached out 
sand layer, the humus-stained layer and the normal sand bed below are 
shown. 
Photo by W. L. Bray. 
Fie. 28. The heath shrub (chiefly blueberry) stage of vegetation on 
Adirondack sand near Lake Clear. The soil section is well shown. The 
forest and its accumulated duff blanket were wholly destroyed. The land 
was probably pastured for a period of years. 
