TY - RPRT TI - Surrogate technologies for monitoring bed-load transport in rivers AU - John R. Gray AU - Jeffrey W. Gartner AU - Jonathan S. Barton AU - Janet Gaskin AU - Smokey A. Pittman AU - Colin D. Rennie PY - 2010 DO - 10.1002/9781444317114.ch2 UR - https://pubs.usgs.gov/publication/70120883 ID - 70120883 ER -