sentences:  Of all the sections of RVRR right-of-way, this would prove to be the most problematic, as the last several miles into Watnong traversed a swamp.For most railroads this would have required that extra fill material and ballast be placed in order to build up the right-of-way well above the surrounding water table.But the RVRR constructed the section through Washington Valley (near Milepost 22), very much like every other section on the railroad.