The 3rd landing site workshop for the 2020 Mars Rover mission will be held at the Doubletree Hotel, Monrovia, CA, on February 8-10, 2017. Presentations are solicited on the science merits of the eight remaining candidate landing sites for the Mars 2020 mission. The full second announcement/call for presentations, workshop logistics, and a request for registration can be found at the meeting page. See prior meeting pages to view presentations from those meetings, including science presentations and information about how the 2020 engineering constraints relate to these eight (and other) candidate 2020 landing sites.