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DIVIDEND DEVELOP*iENT COMPA-.v_Y <br /> TRACY SITE <br /> NORTH PARCEL <br /> SOIL LAYER DESCRIPTION <br /> B-1 <br /> .5/21/91 <br /> 0 . 01 - 4 . 0 ' - Brownish gray, clayey silt,, MOist, loose <br /> in upper foot, otherwise stiff, no <br /> apparent caleche, uniform distribution of <br /> dark gray studs (carbonaceous matter) , <br /> except in lower 611 - ML <br /> 4 . 01 - 9 . 0 ' - Brownish gray clayey silt/silty clay <br /> (ML/CL) , caleche zone at 71 to 8 1 , <br /> abundant blots and smears of white <br /> caleche; common dark gray root imprints <br /> throughout, but much less uniforn <br /> dispersion of dark organic matter <br /> (note: probable border to non-organic at• <br /> caleche zone, moist to very moist , <br /> stiff/very stiff; distinctly less gray, <br /> move of a brown shade and less dark in <br /> hue than above; V, of water at 8 . 51 . <br /> 9 . 01 - 12 . 01 - Uniform brownish gray with faint greenish <br /> tint clayey silt/silty clay, some free <br /> mater, very moist, general absence of <br /> dark organic hues , rare root impressicns <br /> 4 - ML/CL <br /> { 12 . 0 ' - 14 . 0 ' - Color as above but more clayey - CL, very <br /> uniform unit of silty clay/clay - <br /> 4 <br /> aquitard; water stands at 81 . <br /> 14 . 01 - 18 . 01 - (lost 6t1 somewhere) <br /> As above - CL, apparent moisture zone <br /> ( <br /> fractures silt layer ?) <br /> Just below 141 . <br /> 18 . 01 - 23 . 0 ' - (Lost the lower 31 of core but apparently <br /> also clay) <br /> 18 1 to 201 - As above, CL - silty <br /> clay/clay , not especially moist. <br /> 22 . 01 - Total Depth <br /> s <br /> Well Cons ruction ?rotes <br /> ; . 2 ' of sand pack (:.o 20 ' ) on 'cotta. of role . <br /> 2 . <br /> 1_=: 1 of screen to 5 ' . <br /> 3 . 7 ' of blank casing lccr,i;�g riser c top _ <br /> p-2^tc;,ite seal - 2 to 1 . <br />