Relief shown by hachures and spot heights. Insets: Route oue saivra l'expedition du "Temps" par le Chilkoot -- Trace du district du Klondike releve en Octobre, 1897 -- Minimum and maximum temperatures for Klondike, 1896.
Title from top of graph. At left: "A weather chart showing the coldest wave ever felt in the history of Dawson. To whom it may concern: These figures, covering the winter months of 1905 and 1906, were taken from the official records of the...
The entire collection contains reports, correspondence, pamphlets, and administrative records received from the agricultural stations at Matanuska, Fairbanks, and Petersburg. The papers address such topics as environmental data, Alaskan flora,...
Title taken from caption. Caption continues: "Crevasses, Itivdliarsuk glacier." View of members of Alfred Barton's party, a group that traveled with Peary to Greenland in 1896, taking measuring temperatures in crevasses on a glacier.
Title taken from caption. View of trucks and trailers parked around the Sears Creek, Alaska pump station. From verso: "From: US Army Engineer District, Alaska, PO Box 7002, Anchorage, Alaska. Phone: Anchorage BRoadway 6-6091 or Elmendorf 754-4182....
Topp, Roger (photographer). Video, 1:01 minutes MPG format. Sitka is a city of about 8,700 people nestled beside the forested mountains of Baranof Island in southeast Alaska. The climate is mild with temperatures from the mid-20's to 30's in the...
Topp, Roger (photographer). Video, 58 seconds MPG format. About 350 miles off the western coast of Alaska, in the Bering Sea, lie the Pribilof Islands. The more northerly of these windswept, treeless, volcanic islands is St. Paul Island. Clouds...
Topp, Roger (photographer). Video, 1:01 minutes MPG format. About 350 miles off the western coast of Alaska, in the Bering Sea, lie the Pribilof Islands. The more northerly of these windswept, treeless, volcanic islands is St. Paul Island. Clouds...
Topp, Roger (photographer). Video, 1:07 minutes MPG format. About 350 miles off the western coast of Alaska, in the Bering Sea, lie the Pribilof Islands. The more northerly of these windswept, treeless, volcanic islands is St. Paul Island. Clouds...
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 from graph. Graph of winter temperatures from November to March in the winters of 1911-1912 and 1912-1913. "Johnson D19" can be seen in the bottom right-hand corner.
Title taken from back of photo and accompanying note. "Seabees work in near 100 mile per hour winds and sub-freezing temperatures to put portable boilers into operation to supply heat to Navy housing aboard the U. S. Naval Station, Kodiak,...