Following are the results of a field unit weight determination test performed by means of the sand cone method: • Calibrated dry unit weight of Ottawa sand = 104 lb/ft3 • Weight of Ottawa sand to fill the cone = 0.258 lb • Weight of jar + cone + sand (before use) = 13.4 lb • Weight of jar + cone + sand (after use) = 6.39 lb • Weight of moist soil from hole = 7.3 lb • Moisture content of moist soil = 11.6% Determine: Dry unit weight of compaction in the field

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