File Report on the Bluestone Mine, Lyons Co., Nevada In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File Articles about Lake Superior copper (about 1897) In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File Four blueprints of the Champion Copper Co. Box 4, Folder 83 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File Three blueprints of the Seneca Copper Co. Box 4, Folder 84 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File Assay of manganese ore from Copper Harbor Box 4, Folder 86 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
Container Notes about the Michigan collection of mines In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
Container Notes about Mt. Kineo Box 4, Folder 87 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File Diagrams of the Copper Range Co. and the Kearsarge Lode, Michigan Box 4, Folder 89 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
File The Winning of Native Copper, undated Box 4, Folder 91 In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)
Container Schedule for capitalized development of underground mines In: Lucius L. Hubbard papers, 1871-1935 » Other Activities (including mining and geological interests)