Price: $5.95 Member Price: $5.06
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Code: M30099
This yardstick places the Grand Canyon's geologic story within the time frame of Earth's history to provide an interesting and informative deep-time perspective. It is designed and written for non-scientists by condensing geologic time into a measurement that is commonly understood. It places the formation of the Grand Canyon into the context of Earth history and explains the five major geologic events that formed the Grand Canyon's three sets of rocks.
Printed on durable synthetic stock to withstand heavy use. Folds to a convenient 4.75" x 6.5" so that it can fit easily into a pocket or daypack. BONUS - the yardstick is accurate!
GCA is an official partner of Grand Canyon National Park
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