Zinc Total mine production from earliest production of 1957 arranged by counties in terms of recoverable metals. Mining Yearbook, 1959 p.82 New Jersey Zinc Company - Operations and personnel at Eagle Mine at Gilman, Colorado. Mining Yearbook, 1959, p.95 Gemco Die Casting, Inc., leader in production of aluminum or zinc products. Post Mr 10, 1974 p.69
Click tabs to swap between content that is broken into logical sections.