| | Anti-conservational effects of war | 365 |
| | Conservation of coal | 366 |
| | Measures introduced or proposed to conserve coal | 367 |
| | (A) Mining and preparation of coal | 368 |
| | Progress in above methods | 370 |
| | (B) Improvement of labor and living conditions at the mines | 372 |
| | (C) Introduction or modification of laws to regulate or to remove certain restrictions on the coal industry | 373 |
| | (D) Distribution and transportation of coal | 376 |
| | (E) Utilization of coal | 377 |
| | (F) Substitutes for coal as a source of power | 378 |
| | Division of responsibility between government and private interests in the conservation of coal | 379 |
| | Conservation of minerals other than coal | 382 |
| XVIII. | INTERNATIONAL ASPECTS OF MINERAL RESOURCES | 383 |
| | World movement of minerals | 383 |
| | Movemenet of minerals under pre-war conditions of international trade | 385 |
| | Changes during the war | 385 |
| | Post-war condition of the mineral trade | 387 |
| | Tendencies toward international coöperation and possibility of international control of minerals | 389 |
| | Methods of international coöperation | 391 |
| | Conservation in its international relations | 393 |
| | Exploration in its international relations | 395 |
| | Valuation in its international relations | 396 |
| | Relative position of the united states in regard to supplies of minerals | 396 |
| | The coal and iron situation of western europe under the terms of the peace | 400 |
| | Conclusion | 403 |
| | Literature | 403 |
| XIX. | GEOLOGY AND WAR | 405 |
| | Geology behind the front | 405 |
| | Geology at the front | 408 |
| | Effect of the war on the science of economic geology | 412 |
| XX. | GEOLOGY AND ENGINEERING CONSTRUCTION | 413 |
| | Foundations | 413 |
| | Surface waters | 414 |
| | Tunnels | 414 |
| | Slides | 415 |
| | Subsidence | 417 |
| | Railway building | 417 |
| | Road building | 418 |
| | Geology in engineering courses | 419 |
| XXI. | THE TRAINING, OPPORTUNITIES AND ETHICS OF THE ECONOMIC GEOLOGIST | 420 |
| | Pure versus applied science | 420 |
| | Course of study suggested | 422 |
| | Field work | 425 |
| | Specialization in studies | 426 |
| | A degree of Economic Geology | 427 |
| | The opportunities of the economic geologist | 428 |
| | Ethics of the economic geologist | 430 |