Related by context. Frequent words. (Click for all words.) 48 border 42 porous border 41 Organ Pipe Cactus 40 barbed wired 40 drug smugglers 40 Las Chepas 39 wild burros 38 thickly wooded 38 borders 38 rugged frontier 38 Demilitarized Zone DMZ 37 smugglers 37 border crossers 37 longest undefended border 37 norther 37 Nathu La Pass 36 Smuggler Gulch 36 Nullarbor Plain 36 patroled 36 sparsely inhabited 36 demilitarized zone separating 36 tall reeds 35 Anapra 35 heavily fortified frontier 35 unmanned aerial drones 35 dusty plains 35 Osvaldo Aldrete Davila 35 border crosser 35 Lukeville 35 illegal crossers 35 bordering 34 sheep herders 34 straddling 34 borderland 34 navigable rivers 34 demilitarized zone DMZ 34 Bitterroot Mountains 34 overturned tractor trailers 34 Bus plunges 34 north 34 frontier 34 south 34 lawless 34 Illegal migrants 34 grassy plains 34 mountainous frontier 33 smuggling 33 incursions 33 Sierra Madre Mountains 33 busiest border crossings 33 porous borders 33 pronghorns 33 backlands 33 unforgiving terrain 33 desert scrub 33 patrol 33 smuggle narcotics 33 horseback 33 militarized 33 barbed wire fencing 33 ultralight planes 33 smuggler 33 sheep graze 33 porous 33 porous frontier 33 badlands 32 Demilitarised Zone 32 barbed wire fence 32 trespassers 32 unfenced 32 arid plains 32 steep canyon 32 sits astride 32 Earthquake shakes 32 NAFTA superhighway 32 Indo Bangla border 32 Cattle rustling 32 vaqueros 32 waystation 32 overland 32 herding sheep 32 scrublands 32 hilly wooded 32 watchtowers 32 cowboying 32 patrolled 32 forested terrain 32 west 32 San Pedro Riparian 32 Border 32 desolate 32 grassy knolls 32 grazing cattle 32 mist shrouded 31 zig zagging 31 escarpments 31 Aldrete Davila 31 ancient Mayan ruins 31 northern 31 queue jumpers 31 heavily armed