Selection of Four Landing Sites for the Mars Science Laboratory

1 , J. Grant 2 , A. R. Vasavada 1 , J. Grotzinger 3 , M. Watkins 1 , D. Kipp 1 , E. Noe Dobrea 1 , J. Griffes 3 , and T. Parker 1 , 1 Jet Propulsion Laboratory, Caltech, Pasadena, CA 91109, 2 Smithsonian Institution, National Air and Space Museum, Center for Earth and Planetary Sciences, Washington, D.C. 20560, 3 Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125.