They sought beaver pelts and other furs, which were obtained by trapping. Fur animals became less plentiful and demand for furs dropped. No furs, plumes or silk are worn. Igloos used as winter shelters had beds made of loose snow, skins, and caribou furs. Among these are iron, furs and skins, and precious stones. Novgorodian traders travelled to the region in search of furs and animal hides. Improved transportation methods lessened the requirement for transport of furs and trading goods by voyageurs. One of these policies was the price of particular furs and trade goods. Extraction industries grew up in furs, fishing and lumber. The Iroquois trade furs, and purchase tobacco products and weapons. The forest dwellers provided furs and meat. They are also described as transporting oils, incense, steel weapons, furs, and slaves. He concentrated on trading for furs used as trimming and adornment. They filled key roles as suppliers of food, furs, and canoes. The forest-dwellers provided furs and meat.