Call Number (LC) Title Results
EBD C22.11-6214 Mining laws of Honduras 1
EBD C22.11-6215 Caesium, rubidium, and lithium 1
EBD C22.11-6216 Mining laws of Peru 1
EBD C22.11-6217 Bureau of Mines instruction in first aid and value of 100 per cent first-aid training to employees of mining and oil companies 1
EBD C22.11-6218 Electrical motored equipment approvals and extensions. 1
EBD C22.11-6219 Mining laws of Spain 1
EBD C22.11-6220 State regulations governing use of trolley wires in mines 1
EBD C22.11-6222 List of manufacturers of permissible equipment and explosion-proof accessories, as of Jan. 1, 1930 1
EBD C22.11-6223 Barite and barium products 1
EBD C22.11-6225 Reducing accidents from falls of roof in coal mines Part I. Six essentials for mine roofsupport; Part II. Methods and importance of roof testing; Part III. Accidents in coal mines due to falls of roof. 1
EBD C22.11-6226 Automatic derailing switch at Roslyn No. 3 mine, Northwestern Improvement Company, Roslyn, Wash 1
EBD C22.11-6227 Activity of Holmes Safety Association in reducing accidents in Alabama 1
EBD C22.11-6228 Railroad fuel oil consumption 1
EBD C22.11-6229 Teaching safety through approval plate 1
EBD C22.11-6231 Mining laws of France 1
EBD C22.11-6232 Mining methods and costs at Hecla and Star mines, Burke, Idaho 1
EBD C22.11-6234 Mining method and costs at Utah Copper Co., Bingham Canyon, Utah 1
EBD C22.11-6235 Comparative advantages of applying several geophysical methods of prospecting to same territory 1
EBD C22.11-6236 Milling practice at Alaska Juneau concentrator 1
EBD C22.11-6237 Mining methods at Old Dominion mine, Globe, Ariz 1