In 1935 a concrete floor was installed over what had apparently been a dirt surface.

It was a simple village road, two strips of concrete on a red dirt surface.

Beyond it, the tunnel continued for another eight feet or so, but ended in a rough rock and dirt surface.

Orlando is in charge of grooming the main track's dirt surface.

The track is an oval dirt surface standardbred race course.

It was also his first start on a conventional dirt surface.

The race was run on the main track on a dirt surface prior to 1988.

Until 2008 the race had been run on dirt surface.

It has a rough dirt surface and is best traveled on foot or mountain bike.

The first group of aliens was walking around in a large circle on a normal dirt surface.