i8 
VEGETABLE GARDENING 
which if small are called ‘gravel,’ and if of larger size are 
called ‘stones,’ so that in the soil classification it is possi- 
ble to have a gravelly sand, loam, or clay, and likewise 
stony members of the various classes.” The table on 
the opposite page (ibid., p. 17) will give the reader a 
better knowledge of soil classification: 
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