Earth Science Week at Grand Canyon National Park October 17, 2009

In celebration of Earth Science Week, ranger and resource management led programs on the park`s geology and other earth science topics will be offered, and exhibit panels from the Mapping the Canyon exhibit developed by Grand Canyon Association will be on display in the lobby of park headquarters. A geology field trip on Desert View Drive led by U.S. Geological Survey research geologist George Billingsley on Saturday, October 17 will culminate the week`s events.