Informal Geoscience Education on a Grand Scale: The Trail of Time Exhibition at Grand Canyon

  title={Informal Geoscience Education on a Grand Scale: The Trail of Time Exhibition at Grand Canyon},
  author={Karl E. Karlstrom and Steven Semken and Laura J Crossey and D. Perry and Eric D. Gyllenhaal and Jeff Dodick and Michael Williams and Judy Hellmich-Bryan and Ryan S. Crow and Nievita Bueno Watts and Charles R. Ault},
  journal={Journal of Geoscience Education},
  pages={354 - 361}
The Trail of Time exhibition under construction at Grand Canyon National Park is the world's largest geoscience exhibition at one of the world's grandest geologic landscapes. It is a 2-km-long interpretive walking timeline trail that leverages Grand Canyon vistas and rocks to guide visitors to ponder, explore, and understand the magnitude of geologic time and the stories encoded by Grand Canyon rock layers and landscapes. As one of a new generation of geoscience education exhibits, the Trail of… 

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