Keweenaw copper mining district

Target entity: Keweenaw copper mining district
Context triple: [Quincy Unit, relatedTo, Keweenaw copper mining district]

• A. Kennecott mining district
  The Kennecott mining district is a historic copper-mining area in Alaska’s Wrangell–St. Elias region, known for its remarkably preserved early 20th-century industrial facilities and company town.
• B. Rochester mining district
  The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
• C. Marquette Iron Range
  The Marquette Iron Range is a major iron ore mining district in Michigan's Upper Peninsula that historically served as one of the United States' most important sources of iron.
• D. Iron Range
  Iron Range is a rugged, mineral-rich mountainous area in far north Queensland, Australia, known for its unique biodiversity and historical mining activity.
• E. Iron Range
  The Iron Range is a region in northern Minnesota known for its rich iron ore deposits and long history of mining and industrial development.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Keweenaw copper mining district
Target entity description: The Keweenaw copper mining district is a historic region on Michigan’s Keweenaw Peninsula renowned for its extensive native copper deposits and 19th–20th century industrial mining operations.

• A. Kennecott mining district
  The Kennecott mining district is a historic copper-mining area in Alaska’s Wrangell–St. Elias region, known for its remarkably preserved early 20th-century industrial facilities and company town.
• B. Rochester mining district
  The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
• C. Marquette Iron Range
  The Marquette Iron Range is a major iron ore mining district in Michigan's Upper Peninsula that historically served as one of the United States' most important sources of iron.
• D. Iron Range
  Iron Range is a rugged, mineral-rich mountainous area in far north Queensland, Australia, known for its unique biodiversity and historical mining activity.
• E. Iron Range
  The Iron Range is a region in northern Minnesota known for its rich iron ore deposits and long history of mining and industrial development.
• F. None of above. chosen