Should I worry? By truckers now have app audio for this was “in 3.1 miles, enter tunnel and enter tunnel. Then enter tunnel and enter tunnel”

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while we plan this summer’s expedition!

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We are currently preparing for a summer of fieldwork on the river and need all the help we can get. Please donate to the project.

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We just completed a summer of fieldwork on the river.
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Help! We need your support!

We are currently doing a summer of fieldwork on the river and need all the help we can get. Please donate to the project.

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