3 media by topic ∙ page 1 of 1
The stone seismograph hut at Lassen Volcanic National Park in Shasta a...
Title, date, and keywords provided by the photographer. The source of heat for volcanism in the Lassen area is subduction off the Northern California coast of the Gorda Plate diving below the North American Pla... More
A plaque affixed to the stone seismograph hut at Lassen Volcanic Natio...
Title, date, and keywords provided by the photographer. The plaque honors Stephen Tying Mather, an American industrialist and conservationist. Credit line: The Jon B. Lovelace Collection of California Photograp... More
The stone seismograph hut at Lassen Volcanic National Park in Shasta a...
Title, date, and keywords provided by the photographer. The source of heat for volcanism in the Lassen area is subduction off the Northern California coast of the Gorda Plate diving below the North American Pla... More