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