riffles

Swinging nymphs in the riffles is especially effective – be sure to try orange, sulphur-looking patterns.

Wisconsin: Timber Coulee and Kickapoo Rivers "Smoking" Tim Romano 2007

The shape generally suggests a mayfly nymph, and the fly can be especially productive in riffles or pools prior to a hatch.

Hare's Ear 1999

Warm water carries less oxygen than cold water, so when water temperatures get high, trout will congregate in riffles and in pools below tumbling water where the oxygen content is increased.

The 20 Most Practical Flyfishing Tips 1999

Imagine a stream seventy yards broad divided by a pebbly island, running over seductive "riffles" and swirling into deep, quiet pools, where the good salmon goes to smoke his pipe after meals.

American Notes Rudyard Kipling 1900

It was not entirely for the money that he undertook the laborious task of washing "riffles" and

Mark Twain, a Biography — Volume I, Part 1: 1835-1866 Albert Bigelow Paine 1899

Nailed to the bottom of the cradle were small cleats of wood, or "riffles," which kept the water from running so fast as to sweep the gold out of the cradle with it.

Diggers in the Earth Eva March Tappan 1892

Imagine a stream seventy yards broad divided by a pebbly island, running over seductive "riffles" and swirling into deep, quiet pools, where the good salmon goes to smoke his pipe after meals.

American Notes 1889

One would not suppose that atoms of gold and silver would float on top of six inches of water, but they did; and in order to catch them, coarse blankets were laid in the troughs, and little obstructing "riffles" charged with quicksilver were placed here and there across the troughs also.

Roughing It, Part 4. Mark Twain 1872

One would not suppose that atoms of gold and silver would float on top of six inches of water, but they did; and in order to catch them, coarse blankets were laid in the troughs, and little obstructing "riffles" charged with quicksilver were placed here and there across the troughs also.

Roughing It Mark Twain 1872

One would not suppose that atoms of gold and silver would float on top of six inches of water, but they did; and in order to catch them, coarse blankets were laid in the troughs, and little obstructing "riffles" charged with quicksilver were placed here and there across the troughs also.

Roughing It 1871