TY - RPRT TI - A mini drivepoint sampler for measuring pore water solute concentrations in the hyporheic zone of sand-bottom streams AU - John H. Duff AU - Fred Murphy AU - Christopher C. Fuller AU - F. Triska AU - Judson W. Harvey AU - Alan P. Jackman PY - 1998 UR - https://pubs.usgs.gov/publication/70021295 ID - 70021295 ER -