The Discovery of Yellowstone Park: Journal of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870

The Discovery of Yellowstone Park is a historical account by Nathaniel Pitt Langford, published in the early 20th century, detailing the Washburn Expedition of 1870. This expedition was crucial in revealing the wonders of Yellowstone National Park, highlighting the challenges faced by explorers, including harsh terrain and conflicts with indigenous peoples. Langford's journal serves as a primary source documenting the pivotal moments that led to the establishment of Yellowstone as America's first national park and underscores the growing national interest in wilderness preservation.