"A radio talk by Furman L. Mulford, Associate Horticulturist, Bureau of Plant Industry, U.S.D.A., delivere din the Home Demonstration Radio Hour, March 6, 1935, and broadcast by a network of 49 associate NBC radio stations."
United States. Bureau of Plant Industry
Sony Alpha-A6300 (Control)
1.9 P69Ra 1935 March 6
ABBYY FineReader 11.0 (Extended OCR)
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