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TANKNOLOGY -- UNDERGROUND i)E--rFCTIoN SYSTEM (V3., 12.) <br /> COLLEGEVILLE IIAIII::,E-r HOU9207-IVE341124-60227 Jul 63, 1942, W:40 <br /> DPTH OF' I)EFITH OF I-`R CJ D tj 1T <br /> NELL ( in) WATER i'n t D E'TE C T E D CAMMENT <br /> 40 <br />