Halsey, J. R. (2018). Prehistoric copper mining in Michigan: The nineteenth-century discovery of "ancient diggings" in the Keweenaw Peninsula and Isle Royale. University of Michigan.
Chicago Style (17th ed.) CitationHalsey, John R. Prehistoric Copper Mining in Michigan: The Nineteenth-century Discovery of "Ancient Diggings" in the Keweenaw Peninsula and Isle Royale. Ann Arbor, Michigan: University of Michigan, 2018.
MLA (8th ed.) CitationHalsey, John R. Prehistoric Copper Mining in Michigan: The Nineteenth-century Discovery of "Ancient Diggings" in the Keweenaw Peninsula and Isle Royale. University of Michigan, 2018.
Warning: These citations may not always be 100% accurate.