5 public-domain matches

Belt Ore Measurement

Cover of Advanced Techniques and Efficiency Assessment of Mechanical Processing

Advanced Techniques and Efficiency Assessment of Mechanical Processing

Unknown author

Cover of An Ethnologic Dictionary Of The Navaho Language

An Ethnologic Dictionary Of The Navaho Language

The Franciscan Fathers

Cover of Advances in Magnetic and Electromagnetic Techniques for Mineral Exploration

Advances in Magnetic and Electromagnetic Techniques for Mineral Exploration

Unknown author

Cover of Mining Technologies Innovative Development

Mining Technologies Innovative Development

Unknown author

Cover of Energy Consumption at Production Stages in Mining

Energy Consumption at Production Stages in Mining

Unknown author