TY  - BOOK
T1  - The agricultural regions of the United States /
DA  - c1955.
CY  - Norman, OK :
AU  - Haystead, Ladd,
AU  - Fite, Gilbert Courtland,
CN  - S441 .H35
CN  - S441
PB  - University of Oklahoma Press,
PP  - Norman, OK :
PY  - c1955.
N1  - Includes index.
ID  - 69454
KW  - Agriculture
TI  - The agricultural regions of the United States /
ER  -