TY - BOOK ED - Waterways Experiment Station (U.S.) TI - Forecasting trafficability of soils U1 - 624.15136 PY - 1971///, CY - Vicksburg, Miss. PB - U. S. Army Engineer Waterways Experimental Station, Corps of Engineers KW - Frozen ground KW - NUST / MCE KW - Trafficability N1 - 0; 0; 0; 624_151360000000000_COL ER -