Layer of light-colored volcanic ash in a gravel quarry on the north side of the Humboldt River floodplain near Battle Mountain, Lander County. NBMG Geologists Kyle House and Alan Ramelli are in the center of the photograph.
Layer of light-colored volcanic ash in a gravel quarry on the north side of the Humboldt River floodplain near Battle Mountain, Lander County. NBMG Geologists Kyle House and Alan Ramelli are in the center of the photograph.