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7 Cards in this Set
- Front
- Back
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Toward the source or beginning of a river or stream. Against the current of a river.
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upstream
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To bend out of shape.
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warp
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The flow of water or air.
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current
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A canoe or boat made by hollowing out a large log.
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dugout
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A tank for making steam to heat buildings and to run engines.
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boiler
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A tree stump or branch stuck in a river that can damage a boat.
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snag
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A boat, especially a riverboat, moved by a steam engine.
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steamboat
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