TY  - BOOK
T1  - Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia :results of investigations, 1987-91 /
DA  - 1999.
CY  - Reston, Va. :
CY  - Denver, CO :
VL  - 2355-A
CN  - TC801
CN  - TC801
CN  - TD427.F45
PB  - U.S. Dept. of the Interior, U.S. Geological Survey ;
PB  - For sale by U.S. Geological Survey, Information Services,
PP  - Reston, Va. :
PP  - Denver, CO :
PY  - 1999.
N1  - Shipping list no.: 2000-0022-P.
ID  - 224138
KW  - Fertilizers
KW  - Nitrates
KW  - Pesticides
KW  - Water quality
SN  - 0607922621
TI  - Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia :results of investigations, 1987-91 /
ER  -