Document NNEGD1DZKqZaVDqgL56Q237LE

TO: FROM: The Library MAGAZINE NOTICE TTi9 Feb. 1936 issue of Nation*! safety news (p. 34 ) contain* an article in which you may be interested, entitled: Dust concentration In quarries byt Fehnel, J.tf. SOURCE NOT IN LIBRARZ l TMM^- i P M '- If you wish to read the article, please sign and return this notice. The magazine will be sent as soon as available after regular routings are finished. Should your need be for immediate use, will you so indicate? librarian