DescriptionNPS lassen-volcanic-bumpass-hell-map.jpg English: The Bumpass Hell cutaway map helps explain the geologic processes that result in Bumpass Hell, Lassen...
DescriptionNPS lassen-volcanic-map.pdf English: Official Lassen Volcanic map from the brochure, showing the roads, campgrounds, and trails. Date 10 November...
DescriptionNPS lassen-volcanic-geologic-map.jpg English: Lassen geologic map, showing both the recent volcanic surficial deposits as well as some of the...
English: 360 Bumpass Hell Overlook Photographer English: Amanda Sweeney Title English: 360 Bumpass Hell Overlook Description English: A 360-degree photo...
A section of the Bumpass Hell Trail with severe erosion prior to the rehabilitation project. Depicted place English: Lassen Volcanic National Park Date...
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