TY  - BOOK
AU  - Sampson,Arthur W.
TI  - Range improvement by deferred and rotation grazing
AV  - S21 .A7 no. 34
PY  - 1913///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture
KW  - Range management
KW  - Grazing
N1  - Caption title; Contribution from the Forest Service
ER  -