The name of the lake is derived from the former lignite mine in the area.

There is a power plant and several open-pit lignite mines east of the village.

The plant, and associated lignite mine, will be Laos's largest.

There is a large lignite mine to the south.

There were also important lignite mines, now closed, relevant to the activities of electricity generation and distribution.

A lignite mine existed near the village from 1892 to the beginning of the 20th century.

These remained important even after a cloth factory and a lignite mine opened.

There is a large open-pit lignite mine to the northeast.

There is a lignite mine east of the village.

Shorty had come out to the lignite mine with it himself.