Abstract

Correspondence, 1899-1913, consisting of exchanges between James Cooper, the superintendent of the Calumet and Hecla Mining Company's smelter in Lake Linden, Michigan and H.Y. Bassett, a Calumet and Hecla Mining Company executive from the East Coast offices. The letters, including reports, address metallurgical issues as well as the results of comparative testing of Michigan copper versus copper from other regions as used by consumers of copper.

Abstract

Patents, 1896-1943, by various inventors and assignees pertaining to copper mining and copper smelting inventions granted by the United States. Includes specifications and drawings.

Abstract

The data book, 1916-1917, containing smelting data of the Copper Range Mining Company. Also included is transcription and analysis (12 pages) of the data book completed by Karl Rundman.

Abstract The Keweenaw Historical Society was founded in 1912 to "collect and preserve material bearing on the history of Keweenaw Peninsula, and to promote local historical study and research." After the death of President J. T. Reeder in 1937, the society became largely moribund and it was closed in favor of the new Houghton County Historical Society in 1961. The collection contains a large array of historical records collected by the society from throughout the Copper Country, including mining...

Abstract Roy Ward Drier (1897-1974) was a lifelong resident of Calumet, Michigan. A graduate of the Michigan College of Mines (now Michigan Technological University), Drier began collecting historical material for what was formally known as the Keweenawan Collection in the summer of 1933. For the following several decades, Drier would amass a significant collection of historical records relating to the Copper Country. The collection contains a substantial amount of historical materials collected by...

Abstract

Films, undated, of copper mining, refining, leaching and smelting in Arizona by the United States Bureau of Mines at locations owned by the Phelps Dodge Corporation.

Abstract

Notebook, 1907-1911, of William J. Trestrail of Iron Mountain, Michigan. Includes reports on various smelters of Michigan's Upper Peninsula copper companies, as well as various definitions of terms, notes and drawings. Trestrail is thought to have been a student while using this notebook.