PDF version
#MapoftheDay: Groundwater depletion for 40 U.S. aquifer systems: http://bit.ly/1GDtI4g via @USGS
----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----