TY  - BOOK
AU  - Gilkeson,Raymond A.
ED  - United States.
TI  - Ritz Ville series: benchmark soils of Washington 
U1  -  630.72073 
PY  - 1965///
CY  - Washington, D.C.
PB  - Agricultural Experiment Station
KW  - Agriculture
KW  - Research
KW  - United States
KW  - Agricultural extension work
ER  -