Soil Sample	Particle Size Distribution according to USDA			Soil Gradation
Soil Sample	Sand	Silt	Clay	Cu	Cc
P1	22.22	72.73	5.05	16	0.76
P2	43.66	52.77	3.56	413	3.71
P3	31.40	63.98	4.62	8	2.03
P4	41.26	57.38	1.37	87	0.38
P5	37.66	54.68	7.66	43	1.1
P6	58.11	37.84	4.05	99	0.63
P7	29.17	66.23	4.60	13	0.89
P8	26.79	65.71	7.50	833	0.07
P9	41.43	54.29	4.29	83	0.68
P10	54.02	41.38	4.60	40	1.07
P11	50.52	45.77	3.71	21	1.48
P12	41.24	53.79	4.97	9	2.54
P13	46.67	48.67	4.67	133	0.39
P14	54.64	39.48	5.88	191	0.08
P15	55.17	41.38	3.45	58	0.84
P16	45.71	50.00	4.29	79	0.54
Average	44.54	50.67	4.80	146.00	0.86
Ecart-Type	7.90	7.47	0.79	146.40	0.51
Variation Ratio	18%	15%	17%	100%	59%