"Northern aqueduct system," he said, indicating the hemisphere above the double line.

My partner speculates that it relates to the aqueduct system.

His dream is to make his entire Mine a lush, green land and the water taxes were to pay for an aqueduct system.

The Incas built their aqueduct system so well that it is still used today.

Today the ruins of the aqueduct system can still be seen.

Modern archaeological digs have uncovered evidence of the ancient Roman city including its aqueduct system.

The Goths severed the aqueduct system in the early sixth century.

They claim locals built water wheels to establish a limited aqueduct system similar to the one that served Rome.

The total cost of the aqueduct system was $177 million.

Within California they have also been introduced to the aqueduct system of Los Angeles.