TY - RPRT TI - A new instrument for sampling flocculent material at the water/sediment interface AU - Michael H. Bothner AU - Page C. Valentine PY - 1982 DO - 10.1306/212f7fbd-2b24-11d7-8648000102c1865d UR - https://pubs.usgs.gov/publication/70190742 ID - 70190742 ER -