Simplify the following text for a Grade 8 native English-speaking person.
Original: Marie Byrd Land hosted the Operation Deep Freeze base Byrd Station ( NBY ; originally at 80 Â S , 120 Â W , rebuilt at 80 Â S , 119 Â W ) , beginning in 1957 , in the hinterland of Bakutis Coast .
Simplified: Marie Byrd Land hosted the Operation Deep Freeze base Byrd Station ( NBY ; 80 Â S , 119 Â W ) . This began in 1957 , in the hinterland of Bakutis Coast .