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Historical Markers in Middleton
Caldwell is the county seat for Canyon County
Middleton is in Canyon County
ADJACENT TO CANYON COUNTY Malheur County, Oregon (26) ►
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| On Lincoln Road 0.2 miles east of Middleton Road, on the left when traveling east. |
| On East Main Street, on the right when traveling east. |
| On East Main Street, on the right when traveling west. |
| On Lincoln Road 0.2 miles east of Middleton Road, on the left when traveling east. |
| On Lincoln Road 0.2 miles east of Middleton Road, on the left when traveling east. |
| On Lincoln Road 0.2 miles Middleton Road, on the left when traveling east. |
| On Lincoln Road 0.2 miles east of Middleton Road, on the left when traveling east. |
Nov. 11, 2026