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TEE TO TEE LATERAL —MANIFOLD CONSTRUCTION <br />Grass Cover <br />Topsoi I <br />Loamy Sand Backfi I I <br />H r ay o Straw Covered <br />by Layer of Red Rosin <br />Paper (or nylon fabric) <br />Perforation in Cap Near <br />Lateral <br />Crown of Pipe <br />Tee <br />Reducer <br />Perforations at Lateral <br />Manifold <br />Invert <br />. <br />--Rock.-Layer <br />- I nch Layer <br />of <br />Clean Sand <br />I � pA ,fitISF^�'.�. <br />P� 3 SCfOA�r <br />