Testing Safety Catches on Mine Cages, Lake Superior District Clyde M. Pearce Published: 1945 Total Pages: 40 Get eBook
Safety Catches on Mine Cages and Methods of Testing Them Daniel Harrington Published: 1948 Total Pages: 84 Get eBook
Safe Equipment, Guards, and Practices, Lake Superior District Iron-ore Mines Frank E. Cash Published: 1948 Total Pages: 102 Get eBook
Safety Inspections in and Around Iron Mines in the Lake Superior District Frank Stevens Crawford Published: 1931 Total Pages: 38 Get eBook
List of Publications Issued by the Bureau of Mines, with Subject and Author Index United States. Bureau of Mines Published: 1943 Total Pages: 164 Get eBook
List of Publications, Bureau of Mines United States. Bureau of Mines Published: 1960 Total Pages: 846 Get eBook
