Long Island and Rhode Island. In 1609, the English navigator Henry Hudson explored the harbor and purportedly landed at Coney Island. Adriaen Block followed in 1615 and is credited as the first European to determine that both Manhattan and Long Island are islands. Native American land deeds recorded by the Dutch from 1636 state that the Indians referred to Long Island as "Sewanhaka" ("Sewanhacky" and "Sewanhacking" were other spellings in the transliteration of Lenape). "Sewan" was one of the terms for wampum (commemorative stringed shell beads, for a while also used as currency by colonists in trades with the Lenape), and is
Lenape also planted squash, whose broad leaves cut down on weeds and conserved moisture in the soil. The women devoted their summers to field work and harvested the crops in August. Women cultivated varieties of maize, squash and beans, and did most of the fieldwork, processing and cooking of food. The men limited their agricultural labor to clearing the field and breaking the soil. They primarily hunted and fished during the rest of the year. Dutch settler David de Vries, who stayed in the area from 1634 to 1644, described a Lenape hunt in the valley of the "Achinigeu-hach" (or "Ackingsah-sack,"