LATING TO DISTRIBUTION AND TRANSPORTATION OF
MINERAL RESOURCES 355

IV. OTHER RELATIONS OF GEOLOGY TO LAW 356

CHAPTER XVII. CONSERVATION OF MINERAL RESOURCES 359

THE PROBLEM 359

DIFFERENCES BETWEEN PRIVATE AND PUBLIC EFFORTS IN
CONSERVATION 363

THE INTEREST RATE AS A GUIDE IN CONSERVATION 364

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

CHAPTER XVIII. INTERNATIONAL ASPECTS OF MINERAL
RESOURCES 383

WORLD MOVEMENT OF MINERALS 383
Movement 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 COOPERATION AND POSSIBILITY
OF INTERNATIONAL CONTROL OF MINERALS 389
Methods of international cooperation 391

CONSERVATION IN ITS INTERNATIONAL RELATIONS 393

EXPLORATION IN ITS INTERNATIONAL RELATIONS 395

VALUATION IN ITS INTERNATIONAL RELATIONS