All four of Delaware & Hudson's PA's lead freight SC-20 along the shores of Lake Champlain near Port Henry, New York during the 1970s. if(MSFPhover) { MSFPnav24n=MSFPpreload("photographs/steam/_derived/photographs_Class_E-7.htm_cmp_industrial-blue-background010_hbtn.gif"); MSFPnav24h=MSFPpreload("photographs/steam/_derived/photographs_Class_E-7.htm_cmp_industrial-blue-background010_hbtn_a.gif"); } CP gave the property a needed infusion of investment, and retained the D&H corporate name in one of its subsidiaries-St. Lawrence & Hudson Railway-which operated CP lines in eastern Canada. They were intended as dual-service locomotives, hauling both freight and passenger trains until dieselization in 1953.[1]. // -->