TY  - RPRT
TI  - Concepts for national assessment of water availability and use
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 2002
DO  - 10.3133/cir1223
UR  - https://pubs.usgs.gov/publication/cir1223
ID  - cir1223
ER  -