Environmental analysis record for Glass Butte geothermal interest area, central Oregon ( ) Author Davis, Dennis L United States. Bureau of Land Management.
DescriptionObsidian - Rice NW Museum.JPG In the collections of the w:Rice Northwest Museum of Rocks and Minerals in Hillsboro, Oregon, USA. w:Obsidian from
resource management plan - proposed issues and land use alternatives - summary of the management situation (IA brotherslapinereunit 1) (page 38 crop).jpg