Edmund Cecil Harder

1882

• Manganese deposits of the United States with sections on foreign deposits, chemistry, and uses
• Preliminary report on the geology of east central Minnesota including the Cuyuna iron-ore district
• Iron-depositing bacteria and their geologic relations
• Iron-ore deposits of the Eagle Mountains, California
• Manganese deposits of the United States
• The joint system in the rocks of southwestern Wisconsin and its relation to the drainage network