Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Field: flight_num refers to the date of the flight for LiDAR data acquisition. 1 = Flight occured between May 17 to May 19th 2013 / 2 = Flight occured between May 13 to May 17th 2014 / 3 & 4= Flight occured between May 18 to June 1st 2014</SPAN></P></DIV></DIV></DIV>