6 entries match your criteria.
Historical Markers in Washington County
Weiser is the county seat for Washington County
Adjacent to Washington County, Idaho
Baker County, Oregon (66) ► Malheur County, Oregon (26) ►
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| On State Highway 71 at milepost 2, 10 miles west of Camp Creek Road, on the left when traveling north. |
| On North Superior Street (U.S. 95) at West Hopper Avenue, on the left when traveling north on North Superior Street. |
| On State Highway 71 at milepost 2, 10 miles west of Camp Creek Road, on the left when traveling north. |
| On North Superior Street (U.S. 95) near West Hopper Avenue, on the left when traveling north. |
| On U.S. 95 near Sage Creek Road, on the left when traveling north. |
| On U.S. 95 at milepost 82, 0.1 miles south of Appleton Lane, on the right when traveling north. |
Nov. 10, 2026