Final answer:
The drilling information has changed our understanding of the total depth of Unaweep Canyon, suggesting that it is much deeper than previously thought.
Step-by-step explanation:
The drilling information has significantly changed our understanding of the total depth of Unaweep Canyon. Initially, the project goal was to reach a depth of 15 km, but drilling had to be stopped due to technical challenges. The fact that drilling was not able to reach the target depth suggests that the canyon is much deeper than previously thought. This new information has expanded our knowledge of the geological features and history of Unaweep Canyon.