Could you please provide more context or details about the Hurons and their activities? For example:
* What specific time period are you interested in? The Huron people existed for centuries, and their practices and beliefs changed over time.
* What specific location are you referring to? Knowing the geographic area might help understand their purpose in exploring rocks and crags.
* What are your sources for this information? Knowing the source of your information can help clarify any misunderstandings.
With more context, I can provide you with a more accurate and helpful answer.