TY  - RPRT
TI  - Data on natural organic substances in dissolved, colloidal, suspended-silt and -clay, and bed-sediment phases in the Mississippi River and some of its tributaries, 1991-92
AU  - J.A. Leenheer
AU  - L. B. Barber
AU  - C.E. Rostad
AU  - T.I. Noyes
PY  - 1995
DO  - 10.3133/wri944191
UR  - https://pubs.usgs.gov/publication/wri944191
ID  - wri944191
ER  -