TY - RPRT TI - Hydrochemical and sediment data for the Old Lead Belt, southeastern Missouri, 1988-89 AU - Brenda J. Smith AU - John G. Schumacher PY - 1991 DO - 10.3133/ofr91211 UR - https://pubs.usgs.gov/publication/ofr91211 ID - ofr91211 ER -