TY  - RPRT
TI  - Water-quality trend analysis and sampling design for streams in North Dakota, 1971-2000
AU  - Aldo V. Vecchia
PY  - 2003
DO  - 10.3133/wri034094
UR  - https://pubs.usgs.gov/publication/wri034094
ID  - wri034094
ER  -