River gravel lines the beds and represents the western half of the state.

River gravel is often used in outdoor settings, such as a park walkway.

This mussel, sometimes called a pigtoe, is found in river gravel.

Miners discovered old underground beach and river gravels rich with gold.

Among them are layers of river gravel, mainly quartz, coming from the Alps.

The alluvial tin, from the Malayan river gravels, is almost exhausted.

River gravels engraved with strange patterns were also discovered.

Gold was also extracted by panning the river gravels.

The train's armour was constructed from walls of brick, between which was river gravel.

Other larger scale dredging operations take place on exposed river gravel bars at seasonal low water.

Its core is low permeability clay material, supported by two massive shoulders of river gravel.

Tertiary river gravels are found in the Blackall Street area.

When a hard surface is also desired, river gravel is often set in a concrete aggregate mix.

Julie, she gets an old box lid and does mosaics of river gravel set in mud.'

Yet the whole cathedral stands on foundations of river gravel only four feet deep, and the spire was not at first part of the design.

"I scooped up three barrels of river gravel, Vala.

The stones found in the river gravel had obtained their polish by sand action, swirling or washed along the riverbed.

At the same time the market price of tin fell sharply because it was being extracted much more cheaply from river gravels in Malaya.

Copper, tin, gold, and silver were all obtained from mines or washed from the river gravels.

The specimen had been entombed by a Dakota Formation river gravel deposit.

Other appellants were a member of the Deans family and some extractors of river gravel.

Many of the buildings were constructed with a crude kind of concrete, made of lime and river gravel.

Tools have been found in river gravels at Kärlich dating from .3 mya.

The unmarked pavement is made of rounded "river gravel" set in a concrete-mix, providing an unusual earth tone color.

The gloss on them was higher than was ever found in the polished pebbles that turned up in river gravel.