../ earthwork,_small_trench_or_fortification/ 30-Mar-2018 14:04 - fort/ 30-Mar-2018 14:04 - fortified_line/ 30-Mar-2018 14:04 - foxhole,_emplacement_or_weapon_site/ 30-Mar-2018 14:04 - strong_point/ 30-Mar-2018 14:04 - surface_shelter/ 30-Mar-2018 14:04 - underground_shelter/ 30-Mar-2018 14:04 -