1 9 6 7 – 1 9 6 8 ▁– ▁South ▁P ole — Que en ▁Ma ud ▁Land ▁Tra verse ▁III ▁▁ 1 9 6 7 – 1 9 6 9 ▁– ▁ 1 3 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁Ale k se i ▁T res hn ik ov ▁▁ 1 9 6 8 – 1 9 7 0 ▁– ▁ 1 4 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁D . ▁M aks ut ov , ▁Ernst ▁K ren kel ▁▁ 1 9 6 9 – 1 9 7 0 ▁– ▁New ▁Zealand ▁Ge ological ▁Survey ▁Ant ar ctic ▁Ex ped ition ▁▁ 1 9 6 9 – 1 9 7 1 ▁– ▁ 1 5 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁P avel ▁Sen ko ▁and ▁Vlad is lav ▁Ger b ov ich ▁▁ 1 9 7 0 – 1 9 7 2 ▁– ▁ 1 6 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁I . ▁Pet rov ▁and ▁Y ury ▁Tar be ye v ▁▁ 1 9 7 1 – 1 9 7 3 ▁– ▁ 1 7 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁Y ev gen y ▁Kor ot ke v ich , ▁V . ▁A very an ov ▁▁ 1 9 7 2 – 1 9 7 4 ▁– ▁ 1 8 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by