Search Results       Your search for [author]Ertl, Tell, 1914- returned 1 record.           Labor standards and metal mining; a study of the effects of the Fair labor standards act of 1938 on the non-ferrous metal mining industry. by Ertl, Tell, 1914-; New York: King's Crown Press, 1947. Subject: Mines and mineral resources -- United States.          Add to Book Cart Relevance: 37.54%