działalność lodowca

The geography of rolling hills was shaped by glacial action.

It was carried and deposited by glacial action to its present position.

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

The limestone plain was created by glacial action from earlier ice age advances.

It was enlarged as the result of glacial action.

The valley was greatly deepened by glacial action during the Ice age.

It was deposited by glacial action between 20,000 and 11,000 years ago.

The glacial action also claimed to have widened the valley.

Roughly a third to half of the mountain has been eroded by glacial action.

The crater has been completely filled by glacial action, so that no trace appears on the surface.