In the sixth episode of the 11-part series, “How to Read Water,” from Jensen Fly Fishing, Dave explains how to fish riffles that end in a shelf that drops off to deeper water. He explains how the length of the riffle affects the amount of holding water below, as well as where to look for trout…
https://www.orvis.com/fly-fishing
https://news.orvis.com/fly-fishing
http://flyfishalberta.com/jensenflyfishing/
Also look at:
http://flyfishing-blog.com/flyfishing-blog.com/2020/06/10/the-orvis-guide-to-fly-fishing-hatches/
http://flyfishing-blog.com/flyfishing-blog.com/2020/06/06/orvis-guide-to-fly-fishing-tightline-nymphing-with-jesse-haller/
http://flyfishing-blog.com/flyfishing-blog.com/2020/06/05/orvis-how-to-read-water-5-how-to-fish-around-boulders-rocks/