EXPERIMENT timeperiod LEAD dateRange LEAD beginDateTime LEAD 2007-04-28 00:00:00 2008-04-29 23:59:59 spatialBounds LEAD boundingBox LEAD -83.406239.3683 -75.058639.3683 -75.058636.1734 -83.406236.1734 -83.406239.3683 INTERSECTS PARENT