text: Once you've got a working method with the roads, then it would be ok to close the notes. I don't have my own imagery of it, so I can't really contribute much. This website has some information: https://waterdata.usgs.gov/nj/nwis/nwismap/?site_no=01391109&agency_cd=USGS
  It shows the forking off and one other branch having no name.
  I assume the data itself is in the public domain since it is a government website. But I'm not sure.