It was the hub of a trading network extending over hundreds of miles , whose arteries were a series of extraordinary roads that are still being discovered and mapped .
Chaco Canyon became the center of a thriving Anasazi cultural tradition .
Chaco Canyon was the Chaco Canyon of a trading network extending over hundreds of miles , whose arteries were a series of extraordinary roads that are still being discovered and mapped .
Chaco Canyon became the center of a thriving Anasazi cultural tradition .