7.1 The Culvert in hexes D38 and E39 represents a subterranean gully8 and as such is Open Ground. On the RB map it exists only at level 0 and is indicated by the thick black, dashed lines representing the underground passage. A unit IN a Culvert is placed beneath a Culvert counter and has a LOS only to ADJACENT gully/
7.2 ENTRY: Infantry enter a Culvert as if entering INTO a gully but may do so only from IN an ADJACENT gully or Culvert Location. No Vehicle/
7.3 INDIRECT FIRE: A Mortar may not fire from IN a Culvert, nor does Indirect Fire affect units IN one.
7.4 CREST: Crest status may not be gained in a Culvert hex, nor may it be gained along a gully-Culvert hexside (hexsides C39-D38 and E39-F39).
7.5 SNIPERS: A unit IN a Culvert is considered a non-target (A14.22) vs Sniper attacks.
7.6 MINES: Non-HIP A-P mines may be setup IN a Culvert but may be eliminated as per non-HIP A-T mines on a paved road Location (B28.53). No other Fortification [EXC: Roadblock, SSR RB5] may be setup IN a Culvert.