Geologists Are Into Dating (Grand Canyon Stratigraphy)

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Geologists Have A Layered Outlook On Life (Grand Canyon Rocks)

No need to be a geologist -- although it would certainly help -- to enjoy any of these wry scientific humor gifts featuring the stratigraphy of the Grand Canyon, with its three different types of rocks along with the saying "Geologists Have A Layered Outlook On Life". Make others do a double-take with any of these educational, geological attitude gifts today!