rownames,River,Site,Iron,LogIron 1,Grasse,Upstream,944,2.975 2,Grasse,MidStream,525,2.7202 3,Grasse,DownStream,327,2.5145 4,Oswegatchie,Upstream,860,2.9345 5,Oswegatchie,MidStream,229,2.3598 6,Oswegatchie,DownStream,130,2.1139 7,Raquette,Upstream,108,2.0334 8,Raquette,MidStream,36,1.5563 9,Raquette,DownStream,30,1.4771 10,St. Regis,Upstream,751,2.8756 11,St. Regis,MidStream,568,2.7543 12,St. Regis,DownStream,350,2.5441