TY - RPRT TI - Areal and temporal variations in the quality of surface water in hydrologic accounting unit 120301, Upper Trinity River basin, Texas AU - Frank C. Wells AU - Jack Rawson AU - Wanda J. Shelby PY - 1986 DO - 10.3133/wri854318 UR - https://pubs.usgs.gov/publication/wri854318 ID - wri854318 ER -