Gravel
Of rock. May also be referred to as crushed rock.
Rock fragments and pebbles.
This concept's ID is @1~74224
Contains
- bank gravel
Gravel as found in natural deposits.
- ballast
Coarse gravel laid to form a bed for streets and railroads.
- shingle
Coarse beach gravel of small waterworn stones and pebbles (or a stretch of shore covered...