Lassen Volcanic National Park
Lassen Volcanic National Park Visit this highly under-rated active volcano in northern California!
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25 Cool Geology and Landscape Photos
25 (or so) Cool Geology and Landscape Photos A A curious traveler at 10,100 feet in the Lemhi Mountains of central Idaho. The high slopes and valleys were glaciated in the last ice age. The near bedrock is Paleozoic continental shelf limestone, silt, and shale. The far mountains are Eocene (about 40 million year old) volcanic rocks. Wherever I travel, I take a lot of pictures. Not all of them fit into any particular field trip, so it occurred to me to post them in a "trip" of their own!