Photograph of the attendance chart for refractories maintenance employees at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. Publication Date:   1944-01-13 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Charts, diagrams, etc. Absenteeism (Labor) Owens, Glenn Low, Alba Men Genre:   Photographs Photograph of the attendance chart for refractories maintenance employees at Basic Magnesium, Inc.