soon after the discovery of the hudson, dutch ships began to visit that region, to traffic in furs with the indians. some huts were erected by these traders on manhattan island in 1613, and a trading-post was established in 1615. relics of these times are frequently turned up yet on broadway while putting in new pipes, or taking out old pipes, or repairing other pipes, or laying plans for yet other pipes, or looking in the earth to see that the original pipes have not been taken away.