On the diamond trail in British Guiana /

Mode of access: Internet.

Coal near Cooktown /

Caption title.

Recovery of uranium from Chattanooga shale; cost estimation of a solvent extraction plant, topical report.

"Contract No. AT(49-1)-621."

Recovery of uranium from Chattanooga shale : cost estimation of an ion exchange plant, topical report.

"Contract No. AT(49-1)-621."

A magyar korona orszagainak ásványszenei (köszenek, barnaszenek, lignitek) ... A.k.m. természettudomanyi társulattól palyadijjal jutalmazott mü. Egy átnezetes térképpel.

Mode of access: Internet.

The coal fields of southwestern Washington,

Mode of access: Internet.

Gold fields of Nova Scotia,

Mode of access: Internet.

Uranium development in the San Juan basin region : a report on environmental issues /

Working papers issued separately.

Anthracite,

Mode of access: Internet.

Occupational health hazards of older workers in New Mexico [microform] : hearing before the Special Committee on Aging, United States Senate, Ninety-sixth Congress, first session, Grants, N. Mex., August 30, 1980.

Reuse of record except for individual research requires license from Congressional Information Service, Inc.

Sichuan yan fa zhi si shi juan.

On double leaves, oriental style.

Cooperative agreement /

Imprint varies.

Californien unmittelbar vor und nach der entdeckung des goldes.

Mode of access: Internet.

La mine de Huanchaca et l'avenir de l'argent /

Mode of access: Internet.

Biennial report of the Bureau of Labor of the State of Washington.

Includes: Biennial report of Factory, Mill and Railroad Inspection, and: Biennial report of the State Inspector of Coal Mines.