Note: Survey was conducted on all large steep slopes at northern high latitudes (from 55N to the edge of the main part of the polar layered deposit; PLD) using THEMIS daytime IR images. Our search in southern hemisphere high latitudes was also extensive but revealed no additional similar features.
Kreslavsky, Mikhail A., and James W. Head. “Carbon dioxide glaciers on Mars: Products of recent low obliquity epochs (?).” Icarus 216.1 (2011): 111-115
Garvin, J.B., Head, J.W., Marchant, D.R., Kreslavsky, M.A., 2006. High-latitude coldbased glacial deposits on Mars: Multiple superposed drop moraines in a crater interior at 70N latitude. Meteorit. Planet. Sci. 41, 1659–1674.
Kreslavsky, M.A., Head, J.W., 2007. Unusual glacial-like features in the high-arctic of Mars. Lunar Planet. Sci. XXXVIII, 1576 (abstract)