According to a 2013 U.S. Geological Survey study, the basalt beneath Oregon and Washington could hold more than 14,000 ...

Oregon’s state geologist is pitching a novel idea of using the region’s rocky basalt layer – born of lava that flowed ...

Layers of volcanic rock in Eastern Oregon, the Willamette Valley and the Columbia Basin have created fertile soil for farming and ranching, but in the future it could provide fruitful ground for a ...