Mining--Arizona; Mining--History; Iron Ore; Geology
Correspondence of Arizona Bureau of Mine's, T.G. Chapman with U.S. Senator Carl Hayden, and Arizona Governor S. P. Osborn. Geologic description of Apache Iron deposit.
History, Geology, Ore Deposits and Assay Plan Map and Photographs of the Arabia Philadelpha Group of Mines, Union Pass Mining District, Mojave County, Arizona.
Published reports of underground mining advances in the Arizona Copper Company Mines near Clifton, Arizona. Written reports, a letter of inquiry, and a schematic of the smelter; black and white images.
Report on the veracity of the C&B Vanadium Mine, Gila County, Arizona. Also, a letter of inquiry with a response from the State Geologist, G.M. Butler.
Mining--Arizona; History--Arizona, History--Cochise County
A brief history of the mining, agricultural, cultural and social history of Cochise County at the beginning of the 20th century. Note: File size is 13 MB requiring several minutes to download.
Report on the history of the King of Arizona Mine from 1897 to 1910. Letters of inquiry with responses from the State Geologist. A note from the County Recorder, Yuma County on ownership of the mine ca. 1935.