Opportunities for productive work through mineral industries research
By: School of Mineral Industries, The Pennsylvania State College
Contributors: Pennsylvania State College. School of Mineral Industries
Series: Pennsylvania State College bulletin -- v. 39, no. 25; Circular -- 20; Mineral Industries Experiment Station circular (Pennsylvania State College. Mineral Industries Experiment Station)
Publisher: Pennsylvania State College, School of Mineral Industries
Published: 1945
Place of publication: State College, PA
Language: eng
Number of pages: 36
Subjects: Mineral industries; Economic aspects; Pennsylvania State College. Mineral Industries Experiment Station
Other titles: Productive work through mineral industries research; Mineral industries research