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Current time: July 21, 2025, 10:23 am

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What do you know today that you didn't know yesterday?
RE: What do you know today that you didn't know yesterday?
california river is an ancient river which is believed to have existed from around the last days of the dinosaurs to around 40 million years ago. it flowed roughly in the reverse direction compared to modern Colorado river, originating in southern california and draining north east into Utah. it is believed to have carved out significant portions of the grand canyon long before modern colorado river took advantage of the existing ancient canyon, and further deepened and widened it into the modern Grand Canyon.

evidence for it exist in massive formations of river delta sedimentary rocks in utah consisting of erosion al debris that likely came from geological formations in california.
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Messages In This Thread
RE: What do you know today that you didn't know yesterday? - by Anomalocaris - September 23, 2023 at 10:40 am
I seriously DID NOT know this. - by Brian37 - August 24, 2021 at 12:27 pm
RE: I seriously DID NOT know this. - by no one - August 24, 2021 at 12:36 pm
RE: I seriously DID NOT know this. - by Ravenshire - August 24, 2021 at 4:53 pm

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