University of California, San Diegomaeresearch.ucsd.edu/kleissl/MWD/NaturalHistory_112007.pdfOgallala aquifer, one of the world's largest, stretches under parts of eight states in
Sharing the river out of Eden: The Jordan River of biblical fame offers lessons in the perils and promise of sharing a limited resource in a politically inflamed region. By Sarah L. Postel