TY  - RPRT
TI  - External quality-assurance results for the national atmospheric deposition program/national trends network, 2000-2001
AU  - Gregory A. Wetherbee
AU  - Natalie E. Latysh
AU  - John D. Gordon
PY  - 2004
DO  - 10.3133/sir20045034
UR  - https://pubs.usgs.gov/publication/sir20045034
ID  - sir20045034
ER  -