Photograph of a sign advertising car and ride sharing at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1943-07-14 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Signs and signboards Ridesharing Documents and signs Community services and recreation Genre:   Photographs Photograph of a sign advertising car and ride sharing at Basic Magnesium, Inc.