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. National Geographic Society expedition member collecting gas sample at what was later designated as Katmai National Park and Preserve, Alaska. 1917. Photographer: J.W. Shipley.
Title taken from caption. View of buckwheat seedlings grown in ash with different fertilizers added as marked by the labels attached to each pot. Photo taken during National Geographic Society expedition on the way to Katmai area. 1915.
Title taken from caption. "A section of the ash fall showing differential weathering between first and second layers." View of a mining pick to give scale to the depth of the ash that has fallen in two separate layers. Photo taken at what was later...
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. 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 a tuff of grass growing out of an ash dune at Vegetation Station No. 21 near Kodiak. Photo taken during National Geographic Society expedition on the way to Katmai area. Sept. 12, 1917. Photographer: Robert F....
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 a member of the expedition washing up after a month in the Valley of Ten Thousand Smokes. The trees have all been stripped of leaves, branches, and bark by the ash blowing in the wind. Photo taken at what was later...
Title taken from caption. View of a small mud volcano with a shovel beside it for scale. 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 a member of the expedition taking the temperature of a small mud volcano. Photo taken at what was later designated as Katmai National Park and Preserve, Alaska, during a National Geographic Society expedition to...
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: "Fumarole XXXIII which registered 440 degrees C., showing thermocouple in the narrow crack. The ground here was too hot for the instruments which were rested on the spade and pack as seen in the picture." View National...
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. 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 a stack of stones that mark the end of the sand flow in what was later designated as Katmai National Park and Preserve. Also from caption: "Station E, which is a low knoll to the south of Ikagluik Mountain about...
Title taken from caption. Caption also says: "Mud pot on north slope of Fumarole No. 32. Activity of pot is shown by large bubbles, strings, and drops of mud." Photo taken in what was later designated as Katmai National Park and Preserve during...
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...