TY - RPRT TI - Multibeam sonar (DIDSON) assessment of American shad ( Alosa sapidissima ) approaching a hydroelectric dam AU - Ann B. Grote AU - Michael M. Bailey AU - Joseph D. Zydlewski AU - Joseph E. Hightower PY - 2014 DO - 10.1139/cjfas-2013-0308 UR - https://pubs.usgs.gov/publication/70171348 ID - 70171348 ER -