TY  - RPRT
TI  - Water-quality data for selected national park units, southern and central Arizona and west-central New Mexico, water years 2003 and 2004
AU  - James G. Brown
PY  - 2005
DO  - 10.3133/ofr20051291
UR  - https://pubs.usgs.gov/publication/ofr20051291
ID  - ofr20051291
ER  -