Related Clues:

• Lode loads
• Mine extraction
• Metals from lodes
• Sources of iron and manganese
• Assaying samples
• You can dig 'em
• Prospectors quarry
• Rock bands of a sort
• Lode finds
• Holders of buried treasures
• Certain bank deposits
• Contents of some ledges
• Magnetite and others
• Galena and bauxite, for two
• Some tram loads