The supplies were brought into Fort Vancouver and York Factory by ship every year (they tried to maintain one years extra supplies to avoid disastrous ship wrecks etc.). The furs they had traded were shipped back on the supply ships with the furs from Fort Vancouver often being shipped to China where they were traded for Chinese goods before returning to England. The furs from York factory being sold in London in an annual fur sale. The brigades carried supplies in and furs out by boat, horseback and as back packs for the forts and trading posts along the route. They also carried status reports for supplies needed, furs traded etc. from Dr. John McLoughlin, Chief Factor of the Columbia District HBC operations, and the other fort managers along the route. This continued until 1846.