Papers dealing with soil stabilization, subgrades, frost heaving and testing of soils: Road Stabilization, Introduction, R. W. CRUM; Design of Soil Aggregate Mixtures in Pennsylvania, G. A. RAHN and R. W. LERCH; Topsoil, Sand Clay and Graded Mix Roads in Southeastern United States, L. D. HICKS, W. F. ABERCROMBIE and J. L. LAND, Arranged by E. A. WILLIS; Graded Mix Roads in Missouri, R. C. SCHAPPLER; Design and Control of Soil-Aggregate Mixtures by Means of Metal Hydrometer, G. A. RAHN, P. W. WOODRING and R. J. COLEMAN; Design Requirements for Graded Mixtures Suitable for Road Surfaces and Base Courses, E. A. WILLIS; Use of Calcium Chloride in Road Stabilization, H. D. WILFORD, B. R. D OWNEY, G. F. BRIGGS, C. A. HOGENTOGLER, Jr., J. A. KNIGHT, J. ELLEMAN and F. BURGGRAF, Arranged by F. BURGGRAF; Use of Sodium Chloride in Road Stabilization, C. D. LOOKER, W. T. SPENCER and Subcommittee on Treatment of Roads with Sodium Chloride, Arranged by H. ALLEN; Soil Stabilization with Tar, G. E. MARTIN; Bituminous Emulsion Stabilized Roads, C. L. McKESSON; Asphaltic Binder Stabilized Roads, F. V. REAGEL; Asphalt Emulsion Stabilization on Cape Cod, A. V. BRATT; Soil Stabilization Using Asphalt Cut-Backs as Binders, J. C. ROEDIGER and E. W. KLINGER; Bituminous Stabilization Practices in United States, L. MUIR, W. HUGHES and G. BROWNING; Soil-Cement Mixtures for Roads, M. D. CATTON; Preparation of Subgrades, A. RIIS, O. J. PORTER, G. F. BRIGGS, J. O. MORTON; Preparation of Natural Soil Foundations and Soil Sub-structures, H. C. PORTER; Prevention of Detrimental Frost Heave, J. O. MORTON, B. TREMPER, O. L. STOKSTAD and L. CASAGRANDE, Arranged by E. A. WILLIS; Prevention of Detrimental Frost Heave in Sweden, G. BESKOW; Compendium on Soil Testing Apparatus, Arranged by C. M. JOHNSTON and E. S. BARBER. ($1.75)