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  - Trafficability
KW  - Frozen ground
KW  - NUST / MCE
ER  -