| 21. | For many years it was worked as a towboat on the Cowlitz River.
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| 22. | Local towboat operators have been pulling submerged boats from canals all over the county.
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| 23. | Zimmer contacted another towboat pilot who secured the other barge and rescued the men.
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| 24. | Most towboats have a very small hull and a flat bottom to minimize wake.
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| 25. | Most towboats are from long, and wide.
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| 26. | ARTCO owns 2, 000 barges, plus dozens of towboats and harbor tugboats.
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| 27. | Towboats will be missed if they leave.
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| 28. | Towboats hauled lines of barges loaded deep.
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| 29. | There were 16 incidents on the Houston Ship Channel that involved one or more towboats.
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| 30. | Graham said the towboat and 14 empty barges it was pulling were well-lighted.
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