Sec.  2.  Said  engineer  shall,  as  soon  as  he  has  surveyed  and  established
the  true  division  line,  as  aforesaid,  permanently  mark  said  line  on  the
ground  at  its  terminal  points,  and  along  said  line  by  planting  thereon  and
along  the  same  suitable  stones,  properly  marked,  to  designate  said  division
line,  so  placed  as  not  to  be  more  than  one  mile  apart  along  said  whole  line.
