| HUC | Name | EOO.ZIP | SHP.ZIP | E00.TAR | SHP.TAR | INFO ON HUC | LLID HTML |
| 17070201 | Upper John Day. Oregon (2130 sq. mi.) |
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| 17070202 | North Fork John Day. Oregon. (1830 sq. mi.) |
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| 17070203 | Middle Fork John Day. Oregon. (785 sq. mi.) |
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| 17070204 | Lower John Day. Oregon. (3160 sq. mi.) |
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