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| FIGURE | PAGE |
| 1. | [Graphic representation of volume change in weathering of a Georgia granite] | 21 |
| 2. | [Commercial (financial) control of the mineral resources of the world] | 64 |
| 3. | [Political (territorial) control of the mineral resources of the world] | 64 |
| 4. | [The fertilizer situation in the United States] | 100 |
| 5. | [Diagram showing the chemical composition and heat efficiency of the several ranks of coal] | 122 |
| 6. | [Origin and development of coal] | 123 |
| 7. | [Chart showing the present tendency of the United States in respect to its unmined reserve of petroleum] | 134 |
| 8. | [The annual output of the principal oil fields of the United States for the last twenty years] | 135 |
| 9. | [Curve showing the usual decline in oil field production after the period of maximum output is reached] | 136 |
| 10. | [Chart showing the relative values of the principal petroleum products manufactured in the United States from 1899 to 1914] | 138 |
| 11. | [Alteration of Lake Superior iron formation to iron ore by the leaching of silica] | 168 |
| 12. | [Representing in terms of weight the mineralogical changes in the katamorphism of serpentine rocks to iron ore, eastern Cuba] | 172 |
| 13. | [Diagram showing gradation from syenite to bauxite in terms of volume] | 245 |