| HUC | Name | EOO.ZIP | SHP.ZIP | E00.TAR | SHP.TAR | INFO ON HUC | LLID HTML |
| 17070101 | Middle Columbia-Lake Wallula. Oregon, Washington. (2550 sq. mi.) |
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| 17070102 | Walla Walla. Oregon, Washington. (1750 sq. mi.) |
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| 17070103 | Umatilla. Oregon. (2540 sq. mi.) |
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| 17070104 | Willow. Oregon. (881 sq. mi.) |
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| 17070105 | Middle Columbia-Hood. Oregon, Washington. (2170 sq. mi.) |
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| 17070106 | Klickitat. Washington. (1330 sq. mi.) |
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