L. David Roper
http://arts.bev.net/roperldavid
10-Jul-2011
Sometimes only the Kansas portion is called the Ogallala Aquifer. |
|
U.S. Groundwater: http://ga.water.usgs.gov/edu/gwdepletion.html
World Groundwater: http://www.greatlakesdirectory.org/zarticles/080902_water_shortages.htm
L. David Roper interdisciplinary studies
L. David Roper, http://arts.bev.net/RoperLDavid/
10 July, 2011