In 2004-05 , a large camp , Thwaites ( THW ) was established by the USAP 150 km ( 93 mi ) north of NBY , in order to support a large airborne geophysical survey of eastern Marie Byrd Land by the University of Texas Institute for Geophysics .
This was in order to support a large airborne geophysical survey of eastern Marie Byrd Land by the University of Texas Institute for Geophysics .