TY - RPRT TI - Investigation of hydroacoustic flow-monitoring alternatives at the Sacramento River at Freeport, California: results of the 2002-2004 pilot study AU - Catherine A. Ruhl AU - James B. DeRose PY - 2004 DO - 10.3133/sir20045172 UR - https://pubs.usgs.gov/publication/sir20045172 ID - sir20045172 ER -