9 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁Mik h ail ▁Som ov ▁and ▁P avel ▁Sen ko ▁▁ 1 9 6 4 – 1 9 6 5 ▁– ▁South ▁P ole — Que en ▁Ma ud ▁Land ▁Tra verse ▁I ▁▁ 1 9 6 4 – 1 9 6 6 ▁– ▁ 1 0 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁M . ▁Ost re kin , ▁I . ▁Pet rov ▁▁ 1 9 6 5 – 1 9 6 6 ▁– ▁South ▁P ole — Que en ▁Ma ud ▁Land ▁Tra verse ▁II ▁▁ 1 9 6 5 – 1 9 6 7 ▁– ▁ 1 1 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁D . ▁M aks ut ov , ▁Leon id ▁Dub ro vin ▁▁ 1 9 6 5 – 1 9 6 5 ▁– ▁Oper ación ▁ 9 0 ▁– ▁Terr est rial ▁Argent ine ▁Ex ped ition ▁to ▁the ▁South ▁P ole ▁Led ▁by ▁Cor onel ▁D . ▁Jorge ▁Le al . ▁▁ 1 9 6 6 – 1 9 6 8 ▁– ▁ 1 2 th ▁Soviet ▁Ant ar ctic ▁Ex ped ition ▁– ▁led ▁by ▁P avel ▁Sen ko ▁and ▁Vlad is lav ▁Ger b ov ich ▁▁ 1 9 6 6 – 1 9 6 7 ▁– ▁New ▁Zealand ▁Ant ar ctic ▁Research ▁Program me ▁Mar iner ▁Gla cier ▁Northern ▁Party ▁Ex ped ition ▁– ▁led ▁by ▁John ▁E ▁S ▁Lawrence ▁▁