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fhopson: Red Hill cinder cone in the Little Lake Volcanic Field near Little Lake in eastern California
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fhopson: Red Hill cinder cone, Little Lake Volcanic Field
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fhopson: Sugarloaf Mountain, Coso Volcanic Field, CA
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fhopson: Ubehebe Crater, Death Valley National Park, CA
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fhopson: Little Hebe Crater, Death Valley NP, CA
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fhopson: Wilson Butte, Mono-Inyo Volcanic Chain near Mammoth Lakes, California
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fhopson: Cinder cone core
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fhopson: Mammoth Mountain near Mammoth Lakes, California
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fhopson: Mammoth Mountain near Mammoth Lakes, CA
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fhopson: Inyo Craters near Mammoth Lakes, CA
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fhopson: Inyo Domes and Mono Craters near Mammoth Lakes, CA.
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fhopson: Obsidian Dome, Mono-Inyo Volcanic Chain near Mammoth Lakes, CA
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fhopson: Wilson Butte, Mono-Inyo volcanic chain near Mammoth Lakes, Californiae
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fhopson: Mono Craters, eastern California
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fhopson: Mono Craters, eastern California
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fhopson: Panum Crater, eastern California
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fhopson: Cave Rock, Lake Tahoe, NV.
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fhopson: Lassen Peak, Lassen Volcanic National Park, CA
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fhopson: Chaos Crags and Chaos Jumbles, Lassen Volcanic National P,CAark
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fhopson: West Prospect Peak, CA
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fhopson: Prospect Peak and West Prospect Peak from Hat Creek Valley
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fhopson: Cinder Cone, Lassen Volcanic National Park
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fhopson: Cinder Cone, Lassen Volcanic National Park, CA
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fhopson: Cinder Cone crater, Lassen Volcanic National Park, CA
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fhopson: Sugarloaf Peak, Hat Creek Valley, CA
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fhopson: Spatter cone, Hat Creek Valley, northeastern California
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fhopson: Spatter cone, Hat Creek Valley, northeastern California
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fhopson: Mount Shasta, California
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fhopson: Mt Shasta and debris avalanche hills, Northern California
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fhopson: Little Glass Mountain and Mount Shasta and from Medicine Lake Volcano, near Lava Beds National Monument, California