TY - RPRT TI - Preliminary geological assessment of the Northern edge of Ultimi Lobe, Mars South Polar layered deposits AU - B. Murray AU - M. Koutnik AU - S. Byrne AU - Laurence A. Soderblom AU - Kenneth E. Herkenhoff AU - K. L. Tanaka PY - 2001 DO - 10.1006/icar.2001.6657 UR - https://pubs.usgs.gov/publication/70023366 ID - 70023366 ER -