TY - RPRT TI - Field tests of diffusion samplers for inorganic constituents in wells and at a ground-water discharge zone AU - Don A. Vroblesky AU - Matthew D. Petkewich AU - Ted R. Campbell PY - 2002 DO - 10.3133/wri20024031 UR - https://pubs.usgs.gov/publication/wri20024031 ID - wri20024031 ER -