00545nam a2200181Ia 4500 170901s1985 xx 000 0 und d 621.86 R95D Rudnev, V. K. Digging of Soils By Earthmovers With Powered Parts U. K. United State Department of Agriculture 1985 136 Engineering and allied operations Technology (Applied sciences) Earthmovers Materials handling equipments Soil digging ddc BK 11833 11833 0 0 ddc 0 0 RAU RAU 2017-10-18 Presented By U. S. D. A. 0 621.86 R95D 37116 2017-10-18 1985-11-25 BK Gift