TY  - BOOK
AU  - Lowdermilk,W.C.
TI  - Conquest of the land through seven thousand years
U1  - 841.30935844 22
PY  - 1953///
PB  -  United States Department of Agriculture
KW  - Land use -- History
KW  -  Agriculture -- History
KW  - Soil erosion -- History
KW  - Water management -- History
ER  -