TY  - RPRT
TI  - The National Water-Quality Assessment Program: Example of study unit design for the Apalachicola-Chattahoochee-Flint River basin in Georgia, Alabama, and Florida, 1991-97
AU  - David J. Wangsness
PY  - 1997
DO  - 10.3133/ofr9748
UR  - https://pubs.usgs.gov/publication/ofr9748
ID  - ofr9748
ER  -