Thirty-Seven Days of Peril : from Scribner's Monthly Vol III Nov. 1871 - Everts, Truman, 1816-1901 (Project Gutenberg, 2010)
Electronic text
Keywords: Search and rescue operations -- Yellowstone National Park -- History -- 19th century; Yellowstone National Park -- Description and travel; Everts, Truman, 1816-1901 -- Travel -- Yellowstone National Park