Photograph of the desert dross leaching process   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1944-08-21 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Cranes, derricks, etc. Leaching Machinery, supplies, equipment Genre:   Photographs Photograph of the desert dross leaching process	Photograph of the desert dross leaching process   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1944-08-21 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Cranes, derricks, etc. Leaching Machinery, supplies, equipment Men Genre:   Photographs Photograph of the desert dross leaching process