▁was ▁heavily ▁o vers ub scri bed . ▁In ▁ 2 0 0 8 , ▁prepar ations ▁began ▁to ▁res ume ▁min ing ▁of ▁iron ▁ore ▁as ▁well ▁as ▁other ▁more ▁pre cious ▁met als . ▁The ▁mine ▁was ▁em pt ied ▁of ▁water ▁and ▁a ▁new ▁sorting ▁mill ▁and ▁loading ▁terminal ▁was ▁built . ▁The ▁rail road ▁to ▁the ▁port ▁at ▁H arg sh am n ▁was ▁ref urb ished . ▁An ▁opening ▁ceremony ▁featuring ▁H ▁M ▁King ▁Carl ▁XVI ▁Gust af ▁was ▁held ▁on ▁ 1 3 ▁June ▁ 2 0 1 2 . ▁ ▁The ▁main ▁access ▁r amp ▁is ▁being ▁extended ▁down ▁to ▁the ▁ 3 5 0 ▁m ▁level , ▁and ▁a ▁new ▁ore ▁elev ator ▁is ▁being ▁put ▁in . ▁The ▁estimated ▁ore ▁res erves ▁have ▁been ▁re vised ▁up ▁to ▁ 3 5 ▁million ▁t onnes , ▁sufficient ▁for ▁at ▁least ▁ 1 4 ▁years ▁production . ▁ ▁References ▁ ▁This ▁article ▁is ▁based ▁mainly ▁on ▁the ▁Swedish ▁Wikipedia ▁article , ▁whose ▁sources ▁are ▁given ▁as : ▁ ▁B . ▁Bo eth ius : ▁Gru v orn as , ▁hy tt orn as ▁och ▁ham n arn as ▁folk ▁( 1 9 5 1 ) ▁J . ▁O . ▁Carl berg : ▁Histor iskt ▁sam m and rag ▁om ▁sv enska ▁berg ver kens ▁upp kom st ▁och ▁ut ve ck ling ▁( 1 8 7 9 ) ▁Sv ante ▁Lind q v ist : ▁The ▁impact ▁of ▁the ▁Introduction ▁of ▁Ste am ▁Engine ▁Technology ▁on