Photograph of a damaged roofing material at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1942-06-18 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Roofing Machinery, supplies, equipment Accidents and damage Genre:   Photographs Photograph of a damaged roofing material at Basic Magnesium, Inc.	Photograph of roof installation on a peat storage building   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1942-08-24 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Building Roofing Peat -- Storage Plant construction Men Genre:   Photographs Photograph of roof installation on a peat storage building	Photograph of roof installation   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1942-08-24 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Building Roofing Public toilets Plant construction Men Genre:   Photographs Photograph of roof installation