Within this basin are flat tables of gravel deposits whose edges form terraces.

The bottom of the river is made of unconsolidated sand and gravel deposits, which move along with the torrent.

The land was bought in the 1930s and was being mined of its natural sand and gravel deposits.

However, irregular gravel deposits from glaciation can lead to difficulties predicting depth of the water table.

It grows on mesas, rocky slopes and gravel deposits.

Riffles are formed in shallow areas by coarser materials such as gravel deposits over which water flows.

Below the lava are compacted sand and gravel deposits left by a river that predated the eruption.

The adjacent area has extensive sand and gravel deposits which have been quarried there for many years.

This former lake bottom is quite flat, with occasional hills of gravel deposits or rock.

These areas are characterized by gravel deposits in which the ground water is more than 10 feet to 20 feet below the surface.