Schenectady, New York a route through the pine barrens between them. Developers in Schenectady quickly founded the Utica & Schenectady Railroad, chartered in 1833; Schenectady & Susquehanna Railroad, chartered May 5, 1836; and Schenectady & Troy Railroad, chartered in 1836, making Schenectady "the rail hub of America at the time" and competing with the Erie Canal. Commodities from the Great Lakes areas and commercial products were shipped to the East and New York City through the Mohawk Valley and Schenectady. The last slaves in New York and this city gained freedom in 1827, under the state's gradual abolition law. The law first gave
Teltow Canal Berlin's eastern suburbs. The Dahme provides a link to the Oder-Spree Canal, and hence to the River Oder and Poland. Whilst the Dahme is a tributary of the River Spree, itself a navigable tributary of the Havel, the Teltow Canal offers the advantage of bypassing the centre of Berlin, with its heavy river traffic. At its western end, the Teltow Canal incorporates the Griebnitzsee lake which links to the Havel in Potsdam. The Griebnitz Canal provides a second link to the Havel from the eastern end of the Griebnitzsee. Towards its eastern end, the Teltow Canal is linked to the