Hecla Mining Company Dec. 2 kicked off a year-long celebration marking its 125th anniversary as a mining company in 2016.

Hecla President and CEO Phillips S. Baker Jr.

addressed the company's milestone during a keynote speech at the welcoming luncheon of the American Exploration & Mining Association Annual Meeting and Exposition in Spokane, Wash.

Founded in 1891, Hecla Mining Co. is the olde...