1871 Yellowstone expedition

Target entity: 1871 Yellowstone expedition
Context triple: [Hayden Survey party, significantEvent, 1871 Yellowstone expedition]

• A. Raynolds Expedition to the Yellowstone and Missouri River headwaters
  The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
• B. Washburn–Langford–Doane Expedition
  The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
• C. Second Grinnell Expedition
  The Second Grinnell Expedition was an 1853–1855 American Arctic voyage led by Elisha Kent Kane that searched for the lost Franklin expedition and made important geographic and scientific discoveries in the high Arctic.
• D. First Grinnell Expedition
  The First Grinnell Expedition was an 1850–1851 American Arctic voyage launched to search for the lost Franklin expedition and explore the high northern latitudes.
• E. Custer Expedition of 1874
  The Custer Expedition of 1874 was a U.S. Army reconnaissance mission led by Lt. Col. George Armstrong Custer into the Black Hills that publicized the region’s gold deposits and helped trigger the Black Hills Gold Rush.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: 1871 Yellowstone expedition
Target entity description: The 1871 Yellowstone expedition was a landmark geological and scientific survey led by Ferdinand V. Hayden that provided the crucial documentation and advocacy leading to the creation of Yellowstone as the first U.S. national park.

• A. Raynolds Expedition to the Yellowstone and Missouri River headwaters
  The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
• B. Washburn–Langford–Doane Expedition
  The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
• C. Second Grinnell Expedition
  The Second Grinnell Expedition was an 1853–1855 American Arctic voyage led by Elisha Kent Kane that searched for the lost Franklin expedition and made important geographic and scientific discoveries in the high Arctic.
• D. First Grinnell Expedition
  The First Grinnell Expedition was an 1850–1851 American Arctic voyage launched to search for the lost Franklin expedition and explore the high northern latitudes.
• E. Custer Expedition of 1874
  The Custer Expedition of 1874 was a U.S. Army reconnaissance mission led by Lt. Col. George Armstrong Custer into the Black Hills that publicized the region’s gold deposits and helped trigger the Black Hills Gold Rush.
• F. None of above. chosen