TY - RPRT TI - Compositional signatures in acoustic backscatter over vegetated and unvegetated mixed sand-gravel riverbeds AU - Daniel D. Buscombe AU - Paul E. Grams AU - Matthew A. Kaplinski PY - 2017 DO - 10.1002/2017jf004302 UR - https://pubs.usgs.gov/publication/70192849 ID - 70192849 ER -