Availability of U.S. Primary Lead Resources, by Paul McIlroy [and Others Paul McIlroy Published: 1974 Total Pages: 76 Get eBook
Bureau of Mines, Pittsburgh Mining and Safety Research Center Research and Development Activities: Fiscal Year 1971 Pittsburgh Mining and Safety Research Center Published: 1974 Total Pages: 676 Get eBook
List of Bureau of Mines Publications and Articles ... with Subject and Author Index United States. Bureau of Mines Published: 1975 Total Pages: 570 Get eBook
Liste mensuelle d'ouvrages catalogués à la Bibliothèque des Nations Unies United Nations Library (Geneva, Switzerland) Published: Total Pages: 570 Get eBook
Bulletin of the Public Affairs Information Service Public Affairs Information Service Published: 1976 Total Pages: 954 Get eBook