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Reports and Papers
Folder 1: Correspondence
Report from Oregon Mining Association, Committee for Pacific Coast Chrome Producers, 16 June 1954.
Report from Southwestern Engineering Company, regarding the John Ladd Mine (California). 8 September 1953
Photocopy of Quitclaim Deed between John H. Ladd and Dorothea Moroney, Siskiyou County Recorder, volume 327, page 466-467. 6 October 1950
Folder 2: Magazine Articles
California Mining Journal, “Chromite Mining in Siskiyou County" June 1942.
Time, “Mining, Chrome Queen Moroney” 16 November 1942.
Grants Pass, Daily Courier, “Government Official Outline Chrome Ore Production Program” 11 June 1951.
Click, n.d., “Queen of Chrome, Steno Builds a Mining Empire Out of Two Abandoned Mines”
Folder 3: Geological Map and Bulletin
United States Department of the Interior Geological Survey Preliminary Geologic map and Sections of the Northeastern part of the Seiad Quadrangle, Siskiyou County, California.
United States Department of the Interior Geological Survey Bulletin 948-B, Chromite Deposits Near Seiad and McGuffy Creeks, Siskiyou County, California, 1949.