TY  - BOOK
AU  - Shantz,H.L.
TI  - Natural vegetation as an indicator of the capabilities of land for crop production in the Great Plains area
T2  - U. S.  Dept of Agriculture.  Bureau of Plant Industry.  Bulletin
AV  - S441 .S55
PY  - 1911///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Agriculture
KW  - Great Plains
KW  - Soil fertility
ER  -