TY  - BOOK
AU  - Gilliom,Robert J.
AU  - Alley,William M.
AU  - Gurtz,Martin E.
TI  - Design of the national water-quality assessment program: occurrence and distribution of water-quality conditions
T2  - U.S. Geological Survey circular
AV  - TD233 .G465 1995
U1  - 628.1/68/0287 20
PY  - 1995///
CY  - Sacramento, Cal.
PB  - Geological Survey
KW  - National Water Quality Assessment Program U.S
KW  - Local
KW  - Water quality
KW  - United States
KW  - Measurement
N1  - Includes bibliographical references
ER  -