TY  - RPRT
TI  - Quality-assurance plan for the analysis of fluvial sediment by laboratories of the U.S. Geological Survey
AU  - Wilbur J. Matthes
AU  - Clyde J. Sholar
AU  - John R. George
PY  - 1992
DO  - 10.3133/ofr91467
UR  - https://pubs.usgs.gov/publication/ofr91467
ID  - ofr91467
ER  -