F. G. Tryon
born 1892
2 known books
newest first
No author bio imported yet.
Books
OpenLibrary works by this author.
Employment and related statistics...
Employment and related statistics of mines and quarries, 1935
Year unknown
F. G. Tryon, William Harvey Young, Malcolm Earl Wilson, F. E. Berquist, Maxine M. Otero, Dever C. Ashmead, National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), United States. Bureau of Mines, and United States. Bureau of the Census
Mechanization, employment, and ou...
Mechanization, employment, and output per man in bituminous-coal mining
Year unknown
Willard E. Hotchkiss, F. G. Tryon, National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), and United States. Bureau of Mines
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