TY  - BOOK
T1  - Analysis and interpretation of water-quality trends in major U.S. rivers, 1974-81 /
DA  - 1987.
CY  - Washington, DC :
AU  - Smith, Richard A.,
AU  - Alexander, Richard B.
AU  - Wolman, M. Gordon,
VL  - 2307
CN  - TC801
CN  - TD223
CN  - TC801
PB  - GPO,
PP  - Washington, DC :
PY  - 1987.
ID  - 225506
KW  - Water quality
KW  - Water chemistry.
KW  - Rivers
TI  - Analysis and interpretation of water-quality trends in major U.S. rivers, 1974-81 /
ER  -