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- a41004370 contributor B12841950.
- a41004370 contributor B12841951.
- a41004370 created "1937.".
- a41004370 date "1937".
- a41004370 date "1937.".
- a41004370 dateCopyrighted "1937.".
- a41004370 extent "xiii, 63 p.".
- a41004370 isPartOf "National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques. Mineral technology and output per man studies. [Report no. E-1]".
- a41004370 issued "1937".
- a41004370 issued "1937.".
- a41004370 language "eng".
- a41004370 publisher "Philadelphia, Pa.,".
- a41004370 spatial "United States.".
- a41004370 subject "622.0973".
- a41004370 subject "Mineral industries United States.".
- a41004370 subject "Mining engineering.".
- a41004370 subject "TN23 .N35 no. E-1".
- a41004370 title "Technology and the mineral industries, 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.".
- a41004370 type "text".