Goethite from Columbia River Plateau Basins, North America Plate
USA | |
| T Douglas Schonewald Collection |
| Doug Schonewald Collection |
| Rudy Tschernich Zeolite Collection |
USA | |
| T Douglas Schonewald Collection |
| Doug Schonewald Collection |
| Rudy Tschernich Zeolite Collection |
Perch Point-Potholes Reservoir, Warden, Grant County, Washington, USA