TY  - BOOK
AU  - Ritchter, Daniel / Markewitz, Daniel
TI  - Understanding soil change: soil sustainability over millenia, centuries and decades
SN  - 0521039436
AV  - S 591.5. U6R5 2001 
PY  - 2001///
CY  - Cambridge
PB  - Cambridge University press
KW  - Soil management - Souther States - History
KW  - Land use - Souther States - History
KW  - Soil and civilization
ER  -