1. Geologic map of the north polar region of Mars Author/Creator: Tanaka, Kenneth L. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Resource Type: Map Access & Availability: Loading
2. Geologic map of the north polar region of Mars Author/Creator: Tanaka, Kenneth L. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 2012 Resource Type: Map Access & Availability: Loading
3. Geologic map of the northern plains of Mars Author/Creator: Tanaka, Kenneth L. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading