Careers and mineral industries
Series: Pennsylvania State College bulletin -- v. 38, no. 27; Circular -- 17; Mineral Industries Experiment Station circular (Pennsylvania State College. Mineral Industries Experiment Station) -- 17
Publisher: School of Mineral Industries, the Pennsylvania State College
Published: 1944
Place of publication: State College, Pa
Language: eng
Number of pages: 24
Subjects: Mineral industries; Vocational guidance