A VERY INTERESTING PROBLEM
GENERALLY PRODUCTION OF ALL SORTS STARTS UP NEAR A GOOD SOURCE OF MATERIALS NOT IN AN AREA WHERE THERE ARE NO RESOURCES READILY AVAILABLE. SO THERE MUST HAVE BEEN A SOURCE NEARBY OF WOOD AND ORE? PERHAPS WHEN PRODUCTION ORIGINALLY STARTED THERE WERE PLENTY OF TREES AND A SMALL SOURCE OF ORE EITHER NATURAL OR PERHAPS A LARGE METEOR?. THESE WOULD HAVE BEEN USED UP IN THE DISTANT PAST AND SINCE THE BUSINESS WAS ESTABLISHED THERE AND TRADERS WERE ALREADY COMING THERE FOR STEEL THEY GOT THEM TO BRING IN THE MATERIALS TO CONTINUE MAKEING THE STEEL FOR TRADE? IF THEY HAD A BIG REPUTATION AS THE BEST STEEL /SWORDS BUILT UP AT THAT PLACE, PERHAPS THEY WOULD NOT HAVE WANTED TO MOVE TO A NEW LOCATION?
CONJECTURE MY SPECIALTY

PERHAPS SOMEONE WILL SOLVE THIS MYSTERY SOME DAY UNLESS THEY HAD A GENIE WORKING FOR THEM IN WHICH CASE WE WILL NEVER KNOW.