It was a thick layer of sand on a subsurface of clay.
Another option, he said, is bricks or pavers set in a two-inch layer of sand.
Now we are being covered again by a new layer of sand.
Everybody died, including the driver, and Oumar buried them under a thin layer of sand.
Continental shelves are usually covered with a layer of sand, silts, and silty muds.
The soil profile consisted of four lightly overconsolidated clay layers overlying a dense layer of sand.
This membrane is itself topped by wood decking or, more commonly, with a layer of sand or mortar, which is then topped with paving bricks or quarry tile.
Zinsou is talking about how the city is plagued by flooding, because it lies below sea level and is built on a thin layer of sand.
They must have felt it, because underneath there was already a layer of corpses, over which was spread a thin layer of sand".
Wait until it has frozen, then add a thin layer of sand or flat stones to help keep it that way.
The alarm, spread by loudspeakers positioned around town, sounded two more times before nightfall as winds blew a thick layer of sand onto the boardwalk.
