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Lassen Peak eruption showing large rock in left foreground. Rock is annotated "Hot Rock". View toward the peak shows a debris flow from the crater. Sections of the image are overexposed.

Image shows snow covered peak with debris flows clearly delineated. Flows appear to be on top of the snow cover.

Remarkable image of the eruption, illuminated from the right, showing the ash cloud. Inscription on image refers to the appearance of the ash cloud as "Vulcan's Face" which can be seen facing the left.

Snow patches and the rocky peaks of Mt. Langley and Mt. McAdie, photographed from above.

Snow covered slopes of Mount
Kaweah occupy background in left, left center of image. Man wearing a hat is seated on large scree blocks looking away from camera in right, lower right foreground.

Mount Katahdin photographed from across a pond.

A person in a canoe on a river. Mount Katahdin in the background.

Portrait view of Mt. Huxley showing north couloir filled with snow. Six persons stand in front of glacial lake in foreground. Strong shadows.

A group of five or six people standing on boulders near a small lake or pond, the peak of Mount Huxley in the background.

Mount Holway photographed from Mount Tupper