TY  - RPRT
TI  - Geochemistry of bed and suspended sediment in the Mississippi river system: Provenance versus weathering and winnowing
AU  - D.Z. Piper
AU  - S. Ludington
AU  - J. S. Duval
AU  - Howard E. Taylor
PY  - 2006
DO  - 10.1016/j.scitotenv.2005.05.041
UR  - https://pubs.usgs.gov/publication/70030701
ID  - 70030701
ER  -