Document ppDOZ4orRRNNYR9a4YQ0Q949X

Mellon Institute of Industrial Research > UNIVERSITY OF PITTSBURGH PROGRESS REPORT for the Keek eroded May 6 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship 3 copies made: 1 - Mellon Institute 2 - Industrial hygiene file The entire week was spent in conference and in studying conditions in the sand mine of the Pittsburgh Plate Glass Company at Crystal City, Missouri; R: May 22, 1944 T: May 23, 1944 R: Franci sR. Holden Industrial Fellow FORM 23 60M 6-43 001079