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 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 one of the expedition photographers setting up his equipment to take panoramic pictures of the valley. Photo taken, from Camp 5 in the Valley of Ten Thousand Smokes, in what was later designated as Katmai National...
Title taken from caption. View of the Valley of Ten Thousand Smokes from Camp 5 of the 1917 expedition. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National Geographic Society expedition to Katmai...
Title taken from caption. View of the Valley of Ten Thousand Smokes from the edge 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....
Title taken from caption. View of steam rising off the 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. 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. Caption also says:"Fumarole No. 26. Sighting on north end of Buttress Mountain. Note stake which had been placed in mouth of fumarole and at the end of three days had become charred." Photo taken at what was later...
Title taken from caption. View of three members of the National Geographic expedition setting up their camp in the Buttress Range in what was later designated as Katmai National Park and Preserve, Alaska. Caption also says: "The first camp in the...
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 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...
View of Clarence F. Maynard working atop Novarupta. Identity based on fact that Maynard is the only topographer listed as part of the 1917 National Geographic expedition to Katmai area. Photo taken at what was later designated as Katmai National...
Title taken from caption. View of a member of the National Geographic expedition taking a temperature reading of a fumarole somewhere in the Valley of Ten Thousand Smokes. Photo taken at what was later designated as Katmai National Park and...
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 two of the members of the National Geographic Society expedition examining rocks at edge of the canyon near Prospect Point, Alaska. Caption also says: "Examining rocks at edge of the canyon near Prospect Point."...
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...
Title taken from caption. View of Novarupta Volcano with falling volcanic rock and steam from the mountain, as seen from the upper rim. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during National...