The Book of Flies

Male Blue Winged Olive

G.E.M. Skues, The Way of a Trout With a Fly

Trout come on to the rise for two reasons in combination--(1) because they are hungry, and (2) because there is food.

Editing notes;
.....Leica Nymph trailing a Sparkplug !important
.....Snell's Window is backlighted but clear in clear water....which follows traditional expectations
.....What is above Snell's Window in current does not follow expectaions