TY  - RPRT
TI  - Status yields and trends of nutrients and sediment and methods of analysis for nontidal data-collection programs, Chesapeake Bay basin, 1985-96
AU  - Michael J. Langland
AU  - Robert E. Edwards
AU  - Linda C. Darrell
PY  - 1998
DO  - 10.3133/ofr9817
UR  - https://pubs.usgs.gov/publication/ofr9817
ID  - ofr9817
ER  -