TY - RPRT TI - Water chemistry of Shoal Creek and Waller Creek, Austin, Texas, and potential sources of nitrate AU - P. B. Ging AU - R. W. Lee AU - S. R. Silva PY - 1996 DO - 10.3133/wri964167 UR - https://pubs.usgs.gov/publication/wri964167 ID - wri964167 ER -