KeywordsArizona Geological Survey Bulletins
United States of America
World War 1
MetadataShow full item record
PublisherUniversity of Arizona Bureau of Mines
DescriptionTHE country just now needs the services of all GOOD workmen. It wants every one to live to a ripe OLD age. Avoid dangerous methods-do your work carefully and skillfully and thus do your bit for the U.S.A. 16 p.
Series/Report no.Bulletin No. 94
Safety Series No. 37