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TABLE 4.1-1 (Contd.) <br />• Test Pit TP 1 (cont' <br />37 - 43" Grey, very fine sand, few pebbles, hard, <br />dry, low porosity, no mottling, few fine <br />roots <br />43 - 47" Distinct layer of brownish grey sandy <br />gravel, pebbles up to 1 ~ inch diameter, <br />soft, slightly moist, porous. and probab- <br />ly permeable, frequent fine roots <br />47 - 57" Brownish grey and sandy gravel, maximum <br />size 2 inch, soft, slightly moist, porous <br />and probably permeable, frequent fine <br />roots <br />• 57 - 90" Brownish grey, very fine sand, medium <br />hard, slightly moist, low porosity, no <br />traces of mottling, few, very fine roots <br /> <br /> <br />i , <br />