Photograph of Perry Island still smoking after rising from the sea. Now known as the Metcalf Cone, a brief addition to the Aleution Islands. Metcalf Cone exploded in late 1906 or early 1907 and was replaced by McCulloch Peak. McCulloch Peak also...
Five men pose on either Bogslof or Fire Island soon after the rise of Perry Island from the sea. Perry Island, now known as the Metcalf Cone, was a brief addition to the Aleutian Islands. Metcalf Cone exploded in late 1906 or early 1907 and...
Title by cataloger. This appears to be an explorer examining the inside rim of an active volcano. There's a fog surrounding him where steam is rising. [Judging by the patches of white, he may instead be on a glacier or in the crevice of a...
Title taken from caption. View of a member of the expedition using the geothermal heat to cook with in the Valley of Ten Thousand Smokes. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National...
Title taken from caption. "Taking the temperature of a hot one. Our thermometer read only to 360 centigrade. Not that the steam does not condense for some distance from the vent." View of two of the expedition members trying to get temperature...
Title taken from caption. View of a chunk of pumice thrown out from Novarupta, with a pickaxe nest to it for scale. The pumice is located somewhere in the Valley of Ten Thousand Smokes. Photo taken at what was later designated as Katmai National...
Title taken from caption. View of the lava plug of Novarupta from the crater rim. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National Geographic Society expedition to Katmai area. 1917....
Title taken from caption. View of the smoking lava plug of Novarupta. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National Geographic Society expedition to Katmai area. 1918.
Title taken from caption. View of Jasper Dean Sayre taking the temperature of Fumarole XI, with steam is rising up in front of Sayre and his backpack is propped up behind him holding his equipment. Photo taken at what was later designated as...
Title taken from caption: "A small opening of Fumarole XIV which registers 310 degrees C at the surface." View of National Geographic expedition equipment taking the temperature of Fumarole XIV. Photo taken at what was later designated as Katmai...
Title taken from caption. View of National Geographic expedition member standing next to passive boiling mud pot. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National Geographic Society expedition...
Title taken from caption. View of three members of the National Geographic expedition lowering a fourth member on a rope down the side of the Katmai crater. Photo taken in what was later designated as Katmai National Park and Preserve during...
Title taken from caption. View of a member of the National Geographic expedition holding a large piece of pumice on his legs, created by the eruption of Katmai in 1912, that is so light that it could float on water. Caption also says: "A chunck...
Title taken from caption. View of a member of the National Geographic expedition under a large piece of pumice on which a second expedition member is standing. Caption from photo number UAA-hmc-0186-volume7-6413 states that the piece is so light...
Title taken from caption. L.G. Folsom standing near an ash pile and holding a pickax in what was later designated as Katmai National Park and Preserve, Alaska. Photo taken during National Geographic Society expedition to Katmai area, 1919.
Title taken from caption. Caption also says: "The edge of the lava plug in Novarupta. The tangential striation of the lava is well shown in the undisturbed rock above." Photo taken at Novarupta, Alaska, in what was later designated as Katmai...
Title taken from caption. Caption also says: "A block of lava on the plug of Novarupta showing the ropey flutings due to flowage of the more fluid bands of lava after the block had broken off." Photo taken at Novarupta, Alaska, at what was later...
Title taken from caption. Caption also says: "A section of the bank of one of the craters in Knife Creek Valley, showing the fan shaped stratification due to the fall of detritus around the edge of the crater. The strata of Katmai ash at the base...
Title taken from caption. View of steaming plug of lava at Novarupta Volcano as seen from crater rim above, in what was later designated as Katmai National Park and Preserve, Alaska. Photo taken during National Geographic Society expedition to...