TY - RPRT TI - The hydrologic bench-mark program; a standard to evaluate time-series trends in selected water-quality constituents for streams in Georgia AU - G. R. Buell AU - S.C. Grams PY - 1985 DO - 10.3133/wri844318 UR - https://pubs.usgs.gov/publication/wri844318 ID - wri844318 ER -