Early HiRISE Observations of Light-toned Layered Deposits

1 , A. S. McEwen 2 , C. H. Okubo 1 , P. Russell 3 , J. A. Grant 4 , C. Dundas 2 , N. Bridges 5 , and the HiRISE Team. 1 Planetary Science Institute, 1700 E. Fort Lowell, Suite 106, Tucson, AZ, 85719 (weitz@psi.edu). 2 Lunar and Planetary Lab, Univ. Arizona, Tucson, AZ 85721. 3 Physikalisches Institut, U. Berne, Switzerland. 4 CEPS, National Air and Space Museum, Smithsonian, Washington, DC 20560. 5 Jet Propulsion Lab, 4800 Oak Grove Drive, Pasadena, CA 91109.