Call Number (LC) Title Results
EBD C22.11-6567 Medical service, accident reports, compensation, and welfare at iron mines in Lake Superior region 1
EBD C22.11-6570 How to prevent death and injury from falls of roof in coal mines 1
EBD C22.11-6571 Fuels consumed by Federal Government during fiscal year ended June 30, 1930 1
EBD C22.11-6572 Vanadium 1
EBD C22.11-6573 Milling methods and costs at concentrator of Miami Copper Co., Miami, Ariz 1
EBD C22.11-6574 Milling methods at Balmat mill of St. Joseph Lead Co., Balmat, St. Lawrence County, N.Y 1
EBD C22.11-6576 Tabular review of State laws relating to taxation and inspection of gasoline and other petroleum products 1
EBD C22.11-6577 Guarding trolley wires in mines 1
EBD C22.11-6578 Good rock-dusting and ventilation practice in 2 Alabama coal mines 1
EBD C22.11-6579 Sodium and potassium metals 1
EBD C22.11-6580 Methods and costs of mining and preparing sand and gravel at plant of Ward Sand and Gravel Co., Oxford, Mich 1
EBD C22.11-6581 Methods and costs of mining and preparing sand and gravel at Clowdy plant of Dallas Washed and Screened Gravel Co., Dallas, Tex 1
EBD C22.11-6582 Sand and gravel dredging methods and costs of J. K. Davison & Bro., Pittsburgh, Pa 1
EBD C22.11-6584 Notes pertaining to safety inspections of permissible electric mine equipment 1
EBD C22.11-6585 Economic size of metal-mine airways 1
EBD C22.11-6586 Mining practice at Edwards mine of St. Joseph Lead Co., St. Lawrence County, N.Y 1
EBD C22.11-6587 Milling methods and costs at Morning concentrator of Federal Mining and Smelting Co., Mullan, Idaho 1
EBD C22.11-6588 Sinking practice and costs at Pim shaft, St. Louis Smelting & Refining Works of National Lead Co., St. Francois, Mo 1
EBD C22.11-6589 Index to geophysical abstracts ... 1
EBD C22.11-6590 Milling methods and costs at Page concentrator of Federal Mining and Smelting Co., Kellogg, Idaho 1