§ 71-0715. Rules of evidence applicable to forest fire cases. 1.  Prima  facie  cause on railroad right of way. The fact that a fire  originates upon the right of way of a  railroad  shall  be  prima  facie  evidence  that  the  fire  was  caused by the negligence of the railroad  company. 2. Prima facie cause in clearing lands. Whenever a fire has  been  set  for  the  purpose specified in subdivision 5 of section 9-1105 in any of  the fire towns it shall be  prima  facie  evidence  that  the  fire  was  started by the owner or occupant of the land.