TY  - RPRT
TI  - The importance of ground water in the Great Lakes Region
AU  - N.G. Grannemann
AU  - R. J. Hunt
AU  - J.R. Nicholas
AU  - T. E. Reilly
AU  - T. C. Winter
PY  - 2000
DO  - 10.3133/wri004008
UR  - https://pubs.usgs.gov/publication/wri004008
ID  - wri004008
ER  -