Port Authority of New York and New Jersey 1910 ("North River Tunnels"). Under an independent agency, the Holland Tunnel was opened in 1927, with some planning and construction pre-dating the Port Authority. With the rise in automobile traffic, there was demand for more Hudson River crossings. Using its ability to issue bonds and collect revenue, the Port Authority has built and managed major infrastructure projects. Early projects included bridges across the Arthur Kill, which separates Staten Island from New Jersey. The Goethals Bridge, named after chief engineer of the Panama Canal Commission General George Washington Goethals, connected Elizabeth, New Jersey and Howland Hook, Staten Island. At the south
Geography of New York City Bronx and Manhattan from Northern New Jersey. The Harlem River, another tidal strait between the East and Hudson Rivers, separates Manhattan from the Bronx. The boroughs of New York City straddle the border between two geologic provinces of eastern North America. Brooklyn and Queens, located on Long Island, are part of the eastern coastal plain. Long Island is a massive moraine which formed at the southern fringe of the Laurentide Ice Sheet during the last Ice Age. The Bronx and Manhattan lie on the eastern edge of the Newark Basin, a block of the Earth's crust which sank downward during