IS:2720-1974 METHODS OF TEST FOR SOILS PART-14 DETERMINATION DENSITY INDEX OF COHESION LESS SOILS PART - XXII DETERMINATION OF DRY DENSITY OF SOILS IN PLACE BY THE SAND REPLACEMENT METHOD - 0 - DELHI ISI 1974 - 26 ISBN: NULL Subjects--Topical Terms: NULL Dewey Class. No.: 630