Grain-Scale Field Documentation of Aeolian Terrestrial Analogs Using Stereophotogrammetery of Megaripples at Great Sand Dunes

STEREOPHOTOGRAMMETRY OF MEGARIPPLES AT GREAT SAND DUNES. S. P. Scheidt, J. R. Zimbelman, M. M. Baker. Howard University, 2400 6th St NW, Washington, DC 20059 (sscheidt77@gmail.com). Planetary Science Institute, Odenton, MD 21113. Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771. Center for Research and Exploration in Space Science and Technology, NASA/GSFC, Greenbelt, MD 20771 CEPS/NASM, MRC 315, Smithsonian Institution, Washington, DC 20013-7012.