gravel bed

This is one of the finest gravel beds in the country and has been extensively worked.

This led to the removal of the gravel bed, ties, and tracks.

A giant boulder prevented direct access to the gravel bed.

The typical habitat would be relatively fast moving water over a shallow gravel bed.

The sleepers are laid on the gravel bed where the panel track was.

The gravel beds extend to the east as far as London.

This allows a period of rest to let the microorganisms have time to break down the wastes built up in the gravel bed.

Yet, it is still unclear as to what actually happens, apart from spawning in gravel beds.

These stone anchors are found either partially buried or exposed on the gravel bed.

The gravel bed can be seen as light-coloured areas of varying width in the image to the right.

Once the bottom step is in place, excavate above it for the next step and gravel bed.

Salmon eggs are deposited in gravel beds in summer and fall.

He saw it touch down, walking along by the gravel bed and the adapted shrubbery that led to the front doors.

Salmon lay their eggs in the gravel bed of fast-moving streams or rivers.

Gravel bedding materials in sewer pipe trenches act as a French drain.

She crossed to the white gravel bed bordering the cactus garden and dumped the beer out.

The gravel bed is not essential, but it will provide a solid base for the stone and a drainage path for ground water.

Standing near the bus garage on a recent Monday morning, he glanced over at the gravel bed that marked the trains' path.

"As the final step in treatment, the waste water leaks from the pipes and percolates through the gravel bed.

The gravel bed and the quarrying equipment became an expensive millstone around the railroad's neck.

In 1962, their transmitter was relocated to gravel beds just north of the Sacramento River.

This proved to be destructive to the salmon run as it damaged the gravel beds the fish use to spawn.

The bluestones should sit on sand or gravel beds to aid drainage.

The water of Upper Creek slapped between the recoiling tanks and its gravel bed.

This consists of scrub land and wooded banks, with the stream meandering under trees over a gravel bed.