Show IRON ORE SUPPLY FAILING worlds store may not for the demands made upon it the amount of iron ores still avail able Is very great doubtless many times perhaps twenty fold as great as has been won to use yet already in the continent of europe the fields long in service are beginning to be ex li austed great britain ha cally consumed its store h a cen tury ago seemed ample all the supply tor its furnace Is now imported the supply from the mediterranean that promised to be inexhaustible can not endure tor many decades to come the same Is the condition 0 the ore districts ot central europe at the rate of the increasing demand they are not likely to meet the demands of years there remain extensive deposits ot rich ores in the vian peninsula and in fields ot the confines of belgium and france which have hardly begun to be drawn upon et it Is evident that at anything like the present rate ot increase in the consumption of metallic iron in eu rope the sources of supply are not likely to endure for a century the best placed field for the alon of iron in north america or save that in northern china in the world Is in the central section of the mississippi valley mainly between the great river and the appalachian tern of mountains and northward be yond the great lakes to the head waters of the streams flowing into hudson s bay the physical conditions on the whole being favorable tor the cheap production of the metal and its ready transportation to the principal markets it is a question however if the store will supply the demands of the future |