Over the years, erosion began eating away at the lighthouse.

West Virginia was uplifted, important deposition of sediments ceased, and erosion began taking place.

A slow, steady erosion then began, and by 1997, only 13 percent of workers had a pension plan as their sole retirement benefit.

Once the erosions begin, even periods of brief sleep can exacerbate the problem.

We can see that the erosion of ancient craters dramatically began to slow about then.

The slow erosion of Freyr's disc began early in the afternoon.

The erosion of domestic autonomy over light began with the introduction of gaslight early in the 19th century.

Wheat and other crops were planted, and erosion began in earnest.

The erosion of so many passengers and so many miles had barely begun.

As mountains rose, erosion began to wear them down.