_:b670475476 . _:b670475476 . _:b670475476 "A surface layer which is 1) part of a phreatic zone in contact with a vadose zone and 2) contains interstitial water with a pressure head equal to atmospheric pressure."@en . _:b670475476 . _:b670475476 . _:b670475476 "https://digitalatlas.cose.isu.edu/hydr/concepts/gwater/wattable.htm" . _:b670475476 "https://en.wikipedia.org/w/index.php?title=Water_table" .