TY - RPRT TI - Reference hydrologic networks I. The status and potential future directions of national reference hydrologic networks for detecting trends AU - Paul H. Whitfield AU - Donald H. Burn AU - Jamie Hannaford AU - Helene Higgins AU - Glenn A. Hodgkins AU - Terry Marsh AU - Ulrich Looser PY - 2012 DO - 10.1080/02626667.2012.728706 UR - https://pubs.usgs.gov/publication/70040843 ID - 70040843 ER -