Report of Investigations: Exploration at the Cline Mine, Cabarrus County, N.C. R.I. 3873 (April 1946).
Ephemera, Washington, D.C. United States Department of Interior Bureau of Mines, 1946. Good with No dust jacket as issued.
Ephemera, Washington, D.C. United States Department of Interior Bureau of Mines, 1946. Good with No dust jacket as issued.