1. Mars global digital dune database, MC2 - MC29 ... 2006 Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2007 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
2. Mars global digital dune database, MC-30 Author/Creator: Hayward, R. K., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Map Access & Availability: Loading