TY - RPRT TI - Sand- and gravel-trapping efficiencies derived for four types of pressure-difference bedload samplers AU - John Gray AU - Joel T. Groten AU - Jonathan A. Czuba AU - Gregory E. Schwarz AU - Kyle Strom AU - Panayiotis Diplas PY - 2023 UR - https://pubs.usgs.gov/publication/70243278 ID - 70243278 ER -