The river was possibly the Longford/Duke of Northumberland double river? didn't an aircraft run off 23 into it around 1950?....the Crane flows on the Eastern boundary (through Cranford) A few candidates from the 50s below but I agree more likely to be the Capitol/Lufthansa jobs
Curtiss C-46R Commando, N7848B, Riddle Airlines
Curtiss C-46 Commando, LX-LAA, Luxembourg Airlines
Curtiss C-46D Commando, N68852, Borges Tillotson Company