Show HOW LONG WILL OUR COAL LAST harpers weekly the question of the exhaustion of tin th coal supply of the united states is not oni on which can affect the present generation 0 the next yet the american supply is likel to be exham exhausted S ted before that of europe an particularly before that of great britani looking atthe at the mattar matter from the point view of national providence or generations generation s and generations amer a should beyond doubt be a little saving if f its coal 71 it has been estimated that pennsylvania as about enough anthracite coal to last at k he rate of production that prevailed last il 7 rear ear a little less than years probably he be supply will be exhausted much sooner han ban that unless some profitable substitute g found for anthracite As to bituminous boal oal in the united states the supply is jery fery grea great t and widespread it is estimated that abat it will last at the rate of consumption which aich prevailed durin during the last decade Dom something ething less than years 1 if the coal supply of the world at large yere were like likely ay to be exhausted in any such way vay as to make a considerable drain on american coals for foreign consumption the s situation might be regarded as alarming if we re could put ourselves in the place of our reat grandchildren but there is not likey ay iy to arrive a time when we shall have to feed the world with coal in 1880 great britain had in sight P so 0 to speak although it was all below the N ground an available coal deposit estimated pt it nearly tons at the rate of f production and consumption then prevailing the supply would last about I 1 ears the coal measures of lancashire ire are feet in thickness moreover there are many countries which possess coal deposits that have never en touched besides the great coal fields europe and america as now worked there 40 undoubtedly coal deposits in china in I 1 philippines in australia in south amer ica ca in british north america in alaska in the he indian archipelago and elsewhere 4 with one circumstance the american people eople looking at the matter from the consumers standpoint may well be pleased europe does not want our anthracite coal the he best fuel on the whole that the earth has las ever produced europe does not understand the use of anthracite and is apparently 17 not willing to learn it it calls on us air or L bituminous coal which we can spare ire re readily I 1 ahe assumption that the coal fields of I 1 at britain and america will be exhausted h en at the end of several centuries is tended on the further assumption that heat vill ill continue to be made and power generated in the future much as they are now but our inventors and chemists hold out the assurance that great changes may be looked for in the methods of producing heat and mechanical eft energy efterpy ergy I 1 |