USDA Textural Classification of soils

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passpepasspe

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Goswami's book on page 297 has Figure 203.1, how are you supposed to read that figure and get answer to example 203.1 as clay-silt?

I figure out the midle steps but how are you supposd to read the triange. Any help is appreciated. Thx

 
Goswami's book on page 297 has Figure 203.1, how are you supposed to read that figure and get answer to example 203.1 as clay-silt?I figure out the midle steps but how are you supposd to read the triange. Any help is appreciated. Thx
Just make sure you draw the lines PARALLEL to the axis tic marks - see attached image

 
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