TY - RPRT TI - The digital global geologic map of Mars: Chronostratigraphic ages, topographic and crater morphologic characteristics, and updated resurfacing history AU - Kenneth L. Tanaka AU - S.J. Robbins AU - Corey M. Fortezzo AU - J.A. Skinner AU - Trent M. Hare PY - 2014 DO - 10.1016/j.pss.2013.03.006 UR - https://pubs.usgs.gov/publication/70103374 ID - 70103374 ER -