Discover a fascinating glimpse into early 20th-century American history with this original stereoview card by renowned publisher Underwood & Underwood. This stereograph, titled "#4 - Fort Yellowstone, among the mountains, headquarters of U.S. troops guarding Yellowstone Park, U.S.A.," transports viewers to the iconic Yellowstone National Park. The detailed image captures Fort Yellowstone nestled within the majestic mountains, serving as the headquarters for U.S. troops. This particular view is part of the "Works and Sun Sculpture" series, a testament to the quality and artistry of Underwood & Underwood's productions. The card features a standard curved mount, designed to enhance the 3D viewing experience when used with a stereoscope viewer.

This historical stereoview card provides a unique perspective on the role of the military in the early administration and protection of Yellowstone Park. The reverse side of the card contains extensive descriptive text in both English and French, offering rich context about the scene depicted. The English text begins: "You are looking nearly north; the mountains straight ahead are part of the Gallatin Range, the huge bulk is Mount Everts, Gardiner River is flowing Eastward between here and that mountain..." The text further elaborates on the history of Fort Yellowstone, the presence of U.S. Cavalry, and the challenges of park management, including dealing with poachers and forest fires. It also credits "See H. M. Chittenden: 'Yellowstone National Park,' 3d revised, No. 13, copyright, 1904, by Truslow & Underwood." The card is clearly marked with the publisher's details: "Underwood & Underwood, Publishers, New York, London, Toronto-Canada, Ottawa-Kansas" and bears a copyright date of 1904, making it a genuine artifact from the early 1900s. An additional claim "Patent Applied For" is also visible.