@misc{indiciae13aa788f3fe1, title = {Concepts for national assessment of water availability and use}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {2002}, doi = {10.3133/cir1223}, url = {https://pubs.usgs.gov/publication/cir1223}, note = {Source identifier: cir1223} }