SUB-PROVINCES, CLASSES, TYPES AND SURVEYS 115 



Clay loams soils with from 15 to 25 per cent of clay with much 

 silt and some sand. 



20. Black clay loam. 



20.1 Sandy black clay loam. 



20.2 Gravelly black clay loam. 



21. Drab clay loam. 



21.2 Drab clay loam on sand. 



22. dray clay loam. 



23. Red broirn clay loa-m. 



24. Yellow gray clay loam. 



Silt loams soils with more than 50 per cent of silt and less than 15 

 per cent of clay, mixed with some sand. 



25. Black silt loam. 



25.1 Black silt loam on clay. 

 20. Broim silt ham. 



2(i.l Brown silt loam on clay. 

 2(i.2 Brown silt loam on sand. 

 2(i.4 Brown silt loam on gravel. 

 20.5 Brown silt loam on rock. 



27. Broir-n silt loam over gravel. 



28. Broir-n-gray silt loam on tight clay. 

 20. Drab silt Imim. 



, 2!).l Drab silt loam on clay. 



30. (Iray silt loam on tight clay. 



31. Deep gray silt loam. 



32. Light gray silt loam on tight clay. 



32.1 White silt loam on tight clay. 



33. (! ray-red silt loam on tight elay. 



34. Yclloir-gray silt loam. 



34.1 Yellow gray silt loam on clay. 



34.2 Yellow gray silt loam on sand. 



34.4 Yellow gray silt loam on gravel. 



34.5 Yellow gray silt loam on rock. 



35. Yclloir silt loam. 



35.1 Yellow silt loam on clay. 



35.2 Yellow silt loam on sand. 



35.4 Yellow silt loam on gravel. 



35.5 Yellow silt loam on rock. 

 3(5. Yelloir-f/ray silt loam over grarel. 

 37. Yelloir-broirn silt loam. 



44. Yelloio-gray fine sandy silt loam. 



45. Yclloir fine sandy silt loam. 



Loams soils with from 30 to 50 per cent of sand and with less than 

 15 per cent of clay. No one constituent predominates sutliciently to impart 

 very definite characteristics. 



50. Black mi.red loam. 



50.1 Black mixed loam on clay. 



50.2 Black mixed loam on sand. 

 50.5 I'.lack mixed loam on rock. 



51. Broirn loam. 



51.1 Brown loam on clay. 



51.2 Brown loam on silt. 



51.3 Brown loam on sand. 



51.4 Brown loam on gravel. 



51.5 Brown loam on rock. 



