APPENDIX. 



The following table shows the extent of the Cecil clay in the areas 

 surveyed to this time. 



In the first column is stated the particular soil survey in which the 

 soil was encountered ; in the second column, its extent of development 

 in acres; and in the third column, the volume of the Field Operations 

 of the Bureau of Soils, in which the report upon the area may be 

 found. Those desiring a detailed description of the soil and of the 

 general conditions which surround it in any particular area may 

 consult these volumes in almost any public library. 



Areas of the Cecil clay encountered in the soil survey. 



16 



o 



