Laboratory compaction by impact and kneading procedures produced the same fabric. Differences in fabric existed on the dry side only (not on the wet side) between the Rascal and Caterpillar field compacted soil. It appears that the present sensitivity of pore size distribution descriptor values has enabled quanitative comparisons of soil fabric. This suggests several paths for the improvement of field behavior prediction and control using fabric as the guide. * Yong and Sheeran (1973) state that "the structu-e of the soil has been defined as that prooertv of the-oil which provides for its integrity" and that "an important component of the structure is its fabric, i.e., the physical arrangement of soil particles including particle* spacing and pore size distribution". These definitions of the terms structure" and "fabric" will be used throughout this report.

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