Bank run gravel is a natural aggregate taken directly from a deposit. whereas processed gravel or modified gravel has usually been screened and washed

The cost to have one ton of river rock delivered and installed will cost about $140. However, if two tons are delivered, it will cost about $210.

A redd is a depression in the gravel of the river, scooped out by the males, for females to lay their eggs in. After fertilization, the males cover them with gravel.

A redd is a depression in the gravel of the river, scooped out by the males, for females to lay their eggs in. After fertilization, the males cover them with gravel.

That is called a river 'delta'.