erosion http://ketr.org en An unnatural canyon in Northeast Texas http://ketr.org/post/unnatural-canyon-northeast-texas <p>Most Northeast Texas rivers meander through lush, dense vegetation. The North Sulphur is different. Mon, 22 Jul 2013 13:04:00 +0000 Mark Haslett 40365 at http://ketr.org An unnatural canyon in Northeast Texas