It is possible that they had subsidiary uses, such as marking tribal or lineage territories.

The region was an independent tribal territory until 1893, remaining outside British-ruled empire.

Others were forced onto neighbouring tribal territory and killed.

While their tribal territory encompassed only a small area, it was one of panoramic diversity.

The region was an independent tribal territory until 1893, remaining outside the British Empire.

Ireland since time out of mind has been divided into tribal territories.

Some later stones may also have marked tribal or lineage territories.

The tribal territory of Benjamin was not organized around any main town.

What makes the tribal territory is fairly uniform annual distribution and amount of rainfall.

An unexpected sight this far from his tribal territory, he was a striking man with a mean and fearsome look about him.