427C.6  Groves.
  The trees of a forest reservation shall be in groves not less than four rods wide except when the trees are growing or are planted in or along a gully or ditch to control erosion in which case any width will qualify provided the area meets the size requirement of two acres.
[S13, §1400-g; C24, 27, 31, 35, 39, §2610; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §161.6]
C93, §427C.6