It had originally ended at a vertical chimney on the hilltop, designed to carry the lead fumes away, but that had long since fallen down.

A short vertical chimney on the mountaintop to accommodate the vertical axis air turbine.

The Blue Hole, a vertical "chimney", is popular with divers.

In 1887, gold and silver were discovered in two vertical chimneys at the Ground Hog Mine, which continued to produced gold and silver ore until the 1920s.

He turned Over to put the weight on one shoulder and shone the light up what was almost a vertical chimney.

There were ways up those cliffs, for here and there were steep or completely vertical chimneys that seemed to offer access to the top, but these would be in direct line of fire from Red.

The vertical chimney - the last landmark on the upper reaches of Bjork's chart - had been almost completely filled in.

It can be seen in the illustration on top of this page, sticking out to the right, with the vertical chimney attached to it.

There is only one natural entrance into the chamber in the form of a 30 foot vertical chimney dropping into the center of the room.

An intermediate Cable Car station on the eastern ridges provides access to the eastern cliffs with its 3 vertical chimneys and the 360-degree views.