Show 1912 was record breaker for the mining industry y all records have been broken in the great mineral production of the united states for the year 1912 the boom year of 1907 has heretofore been con considered the banner year of american mineral output with a total baue of but even this great figure was exceeded in 1912 by over As compared with mith 1911 the increase in 1912 is or 16 40 per cent these figures are shown in a sum miry marv of the mineral production of the united stites states for 1912 ro ron n piled by W T thorn thom of the un t ed states geology cal survey now in press As heretofore iron and collare coal are the most important of our miner al prod products acts the value of iron pig iron being beins the basis of vain atilo in the value of coal was 4 the value of fuels coal natural gas and petroleum increased from 8 a in 1911 to 1043 in 1912 a gain of coal showed an increase in value of ra 9 from in 1911 to in 1912 the production of metals in creased in valie val ie from d ont in 1911 to in 1912 the nonmetals in creased 12 from 1 1246 in 1911 to in 1912 the inspect led products nc ric luding cadmium selen urn una ru tile uranium canad um am and oth er minerals valieda val led at increased bring n the total value of the minerad mineral pro d action for 1912 up to 2 r the production of pig iron in 19 2 gained more than 9 or 28 per cent ferro alloys gained nearly 1900 or about 46 per cent silver gained more than 6 or 23 per cent copper gained abbat abo it va or nearly 59 5 pr cent zinc gain ed nearly 14 or 44 41 per cent and aluminum gained near ly 4 or 47 per cent gold which lost aba it 3 00 was mas the only ampro ant metal to show a decrease among the nonmetals bicum coal gain ed approximately 47 or about 15 per e nt antar cite coal gained more than 2 nat ural gas gained almost 10 or 13 per cent petroleum gained nearly 30 10 or 22 2 per cent clay prod acts gained more than or 65 per cent and sulphuric sulp huns huris acid from copper and zinc smelters a product in ned tied as it were mere out of the air and chang ed from a destructive waste to an absolute gain increased 1 or 5 aj per cent |