Catalog of Books and Reports in the Bureau of Mines Technical Library, Pittsburgh, Pa United States. Bureau of Mines. Technical Library, Pittsburgh Published: 1968 Total Pages: 778 Get eBook
Pennsylvania Municipal Authorities Directory Pennsylvania. Dept. of Commerce. Bureau of Statistics Published: 1965 Total Pages: 84 Get eBook
Directory of the American Institute of Mining and Metallurgical Engineers, Inc American Institute of Mining and Metallurgical Engineers Published: 1923 Total Pages: 298 Get eBook
Directory of the Nonfuel-mineral Producers in Pennsylvania Samuel W. Berkheiser Published: 1985 Total Pages: 188 Get eBook
Worldwide Directory of Mineral Industries Education and Research Herbert Wöhlbier Published: 1968 Total Pages: 488 Get eBook
Directory and Year Book American Institute of Mining, Metallurgical, and Petroleum Engineers Published: 1919 Total Pages: 926 Get eBook
Directory of Industrial Sand and Gravel Producers in the United States in ... Published: 1983 Total Pages: 16 Get eBook
