Other improvements were made to the railway, such as the replacement of rock pile footings under each trestle with reinforced concrete pilings.

In the 19th century, monuments were commonly a rock pile, a wooden post, or a combination of the two.

This place has more space and consists of a huge rock pile.

At sunrise, it retires to its den, which may be in a ground burrow, or beneath a building, boulder, or rock pile.

The ruin consists of a walled rock shelter and a burned rock pile.