A gate gives access to a courtyard through which you come to a stone staircase leading to the upper units.

The 12th station on the upper unit was replaced with a tripper mechanism to start the lower unit.

The upper unit has the top two floors, as well as a new penthouse.

Throughout the history of the field, these upper units have been the most productive, and they were also the first to be discovered, in 1909.

Usually the basement level of the home, but has done an upper unit from time to time.

The upper unit was revamped even further when, in 1995, a two room penthouse was added.

The formation is informally divided into lower, middle, and upper units.

Both entrances are on ground level, but the upper unit has stairs inside the foyer.

The upper unit of the Laetolil Beds dated back 3.6 to 3.8 million years ago.

The formation in Garden Park can be divided informally into a lower and upper unit.