Sources
Every claim in this knowledge graph traces to one of these primary sources — newspapers, photographs, memoirs, mining claims, and more.
Lundwall, W. D. & Humble, Terrence M. · 2003 · book · rights_reserved
Alexander, Bob · 2005 · book · rights_reserved
Colwell, Chip · 2007 · book · rights_reserved
Sweeney, Edwin R. · 2010 · book · rights_reserved
Huggard, Christopher J. & Humble, Terrence M. · 2012 · book · cc-by-nc
Davis, Carolyn O'Bagy & Humble, Terrence M. · 2012 · book · rights_reserved
Babcock, Matthew · 2016 · book · rights_reserved
Babcock, Matthew · 2016 · book · rights_reserved
Davisson, Lori; Perry, Edgar; Welch, John R. · 2016 · book · rights_reserved
Gilman, Patricia A. & LeBlanc, Steven A. · 2017 · book · rights_reserved
Grossman, Sarah E. M. · 2018 · book · cc-by-nc
McPherson, Robert S. · 2023 · book · rights_reserved
Anyon, Roger & LeBlanc, Steven A. · 2024 · book · rights_reserved
Anyon, Roger & LeBlanc, Steven A. · 2024 · book · rights_reserved
Roselli, Bart (editor) · 2025 · book · rights_reserved
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown
Unknown · book · unknown