TY - RPRT TI - Underwater microscope for measuring spatial and temporal changes in bed-sediment grain size AU - David M. Rubin AU - Henry Chezar AU - Jodi N. Harney AU - David J. Topping AU - Theodore S. Melis AU - Christopher R. Sherwood PY - 2007 DO - 10.1016/j.sedgeo.2007.03.020 UR - https://pubs.usgs.gov/publication/70031417 ID - 70031417 ER -