NASA's Deputy Administrator Shana Dale and NASA Research Scientist Dr. William Saturno investigate the San Bartolo Maya archaeological site in Peten, Guatemala, Tuesday Dec. 11, 2007. NASA's remote sensing data More
PETEN, GUATEMALA -- NASA's Deputy Administrator Shana Dale and NASA Research Scientist Dr. William Saturno investigate the San Bartolo Maya archaeological site in Peten, Guatemala, on Dec. 11. NASA's remote s More
NASA's Deputy Administrator Shana Dale and NASA Research Scientist Dr. William Saturno investigate the San Bartolo Maya archaeological site in Peten, Guatemala, Tuesday Dec. 11, 2007. NASA's remote sensing data More
PETEN, GUATEMALA -- NASA's Deputy Administrator Shana Dale and NASA Research Scientist Dr. William Saturno investigate the San Bartolo Maya archaeological site in Peten, Guatemala, on Dec. 11. NASA's remote s More
PETEN, GUATEMALA -- (From left) NASA Research Scientist Dr. William Saturno, Program Manager for NASA Earth Science Division Woody Turner, NASA's Deputy Administrator Shana Dale and NASA Deputy Assistant Admin More
(from left) NASA Research Scientist Dr. William Saturno, Program Manager for NASA Earth Science Division Mr. Woody Turner, NASA's Deputy Administrator Shana Dale and NASA Deputy Assistant Administrator for Exte More