Manganese past producer · Grant County, Oregon
discovered 1952
Drawn as an open-pit mine, dug down in benches from the surface. The ore color stands for manganese. Federal records note the kind of operation and its status, not its depth or layout, so this is a typical example rather than a survey of this site.
| State | Oregon |
| County | Grant |
| Coordinates | 44.37795, -119.09996 |
| Tertiary | Manganese |
| Status | Past Producer |
| Type | Surface |
| Discovery Year | 1952 |
| Data Source | USGS MRDS |
| Source ID | 10250047 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Wyllie Prospect | 1.1 mi | Manganese | Past Producer |
| Unnamed Pit near Mount Vernon, OR | 1.9 mi | Clay | Producer |
| Clay Pit | 1.9 mi | Clay | Past Producer |
| Coho Creek | 2.3 mi | Stone | Past Producer |
| Mp 154 John Day Hwy | 2.6 mi | Sand and Gravel, Construction | Producer |
| Mp 154 John Day Hwy | 2.6 mi | Sand and Gravel, Construction | Past Producer |
| Fox Valley Prospects | 2.7 mi | Gold, Silver | Past Producer |
| Valley Pit and Plant | 2.8 mi | Stone, Dimension | Past Producer |
| Coho Creek Pit | 2.8 mi | Stone, Dimension | Past Producer |
| Unnamed Pit near Mount Vernon, OR | 3.0 mi | Sand and Gravel, Construction | Producer |
| Gravel Pit | 3.0 mi | Sand and Gravel, Construction | Past Producer |
| Berry Chromite Deposit | 3.1 mi | Chromium | Prospect |
This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.