Handbook of descriptions of specialized fields in mining engineering, petroleum engineering, and metallurgy or metallurgical engineering
By: prepared by the National Roster of Scientific and Specialized Personnel
Contributors: National Roster of Scientific and Specialized Personnel
Publisher: U.S. Employment Service, Dept. of Labor; U.S. G.P.O.; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1946
Place of publication: Washington, D.C
Language: eng
Number of pages: 17
Subjects: Mining engineering -- Vocational guidance; Petroleum engineering -- Vocational guidance; Chemical engineering -- Vocational guidance; Metallurgical research
Notes: Cover title