TY  - BOOK
T1  - County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985
DA  - 1990.
CY  - Reston, Va. :
CY  - Denver, Colo. :
AU  - Alexander, Richard B.
AU  - Smith, Richard A.
CN  - I 19.76:
PB  - U.S. Dept. of the Interior, U.S. Geological Survey ;
PB  - Books and Open-File Reports [Section, distributor],
PP  - Reston, Va. :
PP  - Denver, Colo. :
PY  - 1990.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 94-0125-M
ID  - 263413
KW  - Nitrogen fertilizers
KW  - Phosphatic fertilizers
TI  - County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985
ER  -