The first phase of the operation began in March 1984 with the march on foot to the eastern base of the glacier.

The Theodul Pass, located at the eastern base of the peak, is the lowest passage between its north and south side.

The old town of Gwalior lies at the eastern base of the fortress.

The rise is caused by a normal fault system that runs along the eastern base of the Sierra, below Mount Whitney.

The lower fort (wikimapia) lies at the eastern base of the rock and measures about half a mile in diameter.

By 378, Valens himself was able to march west from his eastern base in Antioch.

In no case did glacial action here extend down to the plains at the eastern base of the mountains.

The community sits at the eastern base of the Federal Hill neighborhood in a former industrial area, occupied mainly by shipyards.

The fault has a length of 44 miles (70 km) and runs along the eastern base of the Teton Range.

The community sits along the eastern base of Big Savage Mountain.