TY  - BOOK
AU  - Held,R.Burnell
AU  - Clawson,Marion
TI  - Soil conservation in perspective
U1  - 631.4973 
PY  - 1965///
CY  - Baltimore
PB  - John Hopkins Press
KW  - Soil conservation
KW  - United states
KW  - Soils
KW  - Land use
KW  - United States
N1  - Includes index
ER  -