Mars Presentation, PDF:
This is the PDF of a presentation on Mars that I gave at the Nevada County Astronomers in March of 2012. It covers observation of Mars, and a quick overview of the exploration of Mars.
Mars Presentation JPGs:
Here are the individual slides as JPG files.
Mars Presentation 2012 by Mark Albert Graybill is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Based on a work at http://saundby.com/astronomy/.