TY  - RPRT
TI  - Sustainability of ground-water resources
AU  - William M. Alley
AU  - Thomas E. Reilly
AU  - O. Lehn Franke
PY  - 1999
DO  - 10.3133/cir1186
UR  - https://pubs.usgs.gov/publication/cir1186
ID  - cir1186
ER  -