Near the centre of the State of New York lies an extensive district of countrywhose surface is a succession of hills and dales, or, to speak with greater deferenceto geographical definitions, of mountains and valleys. It is among these hills that theDelaware takes its rise; and flowing from the limpid lakes and thousand springs ofthis region the numerous sources of the Susquehanna meander through the valleysuntil, uniting their streams, they form...