Groundwater Links

http://www.ec.gc.ca/water/en/nature/grdwtr/e_gdwtr.htm
http://www.epa.gov/grtlakes/seahome/groundwater/src/ground.htm

Glacial Geology and Paleoclimate Links

http://www.museum.state.il.us/exhibits/ice_ages/index.html
http://www.isgs.uiuc.edu/research/glacial-geo.shtml
http://www.ngdc.noaa.gov/paleo/primer_history.html