TY  - BOOK
AU  - Dawson J R
AU  - Horn A G V
TI  - Comparison of a trench silo with an upright silo
U1  - 630.6173 
PY  - 1933///
CY  - Washington
PB  - US Dept. of Agriculture
KW  - Agriculture
KW  - United States
N1  - United States, Dept. of Agriculture, Cir no.274
ER  -