Photograph of a National Defense Program/Basic Magnesium, Inc. application   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1942-05-05 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Applications for positions Documents and signs Genre:   Photographs Photograph of a National Defense Program/Basic Magnesium, Inc. application