Technology and the mineral industries
By: by F. G. Tryon, T. T. Read, K. C. Heald [and others].  Prepared for the National Resources Committee report on Technological Trends and National Policy.
Contributors: United States. National Resources Committee. Science Committee. Technological Trends and National Policy.
Series: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques.  Mineral technology and output per man studies.  [Report no. E-1]
Published: 1937
Place of publication: Philadelphia, Pa
Language: eng
Number of pages: 63
Subjects: Mineral industries -- United States.; Mining engineering.
Notes: Series title in part also on t.p.
Photoprinted.
"The present (third) impression is issued October, 1937."
In cooperation with the U. S. Bureau of Mines.  cf.p.v.
Issued also in Mineral technology:  technology, grade of ore, rock drilling, underground loading (National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques) [1937-40]