Manganese

U.S. Geological Survey, 1978, Map showing preliminary base-and precious-metal resource appraisal, Arizona: U.S. Geological Survey Open-File Report 78-0860, 1 sheet, scale 1:1,000,000.

U.S. Bureau of Mines, 1957, Black Eagle deposit: U.S. Bureau of Mines Mineral Property File 04-41.212, 10 p.

U.S. Bureau of Mines, 1933-88, Minerals Yearbook [annual volumes for the years 1932-86]: Washington, D.C., U.S. Government Printing Office.

U.S. Bureau of Mines, 1927-33, Mineral resources of the United States [annual volumes for the years 1924-31]: Washington, D.C., U.S. Government Printing Office.

Tuftin, S.E., 1989, Mineral resources of a part of the Rawhide Mountains Wilderness Study Area (AZ-020-058A), La Paz and Mohave Counties, Arizona: U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 13-89, 50 p., 1 sheet, scale 1:50,000.

Tuck, F.J., 1955, History of mining in Arizona: Arizona Department of Mineral Resources, 40 p.

Trace, R.D., 1947, The Fourth of July and Luckie No. 1 and No. 2 fluorspar veins, Greenlee County, Arizona: U.S. Geological Survey Mineral Investigations Preliminary Strategic Map 3-207, 6 p., 7 sheets.

Toll, R.H., 1911, Mining operations in Mohave County, Arizona: Mining and Engineering World (Chicago), v. 35, p. 243-244.

Thompson, J.R., 1985, Mineral resources of the Harquahala Mountains Study Area (AZ-020-095), La Paz and Maricopa Counties, Arizona: U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 43-85, 87 p., 1 sheet, scale 1:24,000.

Tenney, J.B., 1930, Second report on the mineral industries of Arizona: Arizona Bureau of Mines Bulletin no. 129, 108 p.