Final answer:
Fenn advises treasure seekers to trust only the information provided in his poem or book and not to heed any outside information. Precise strategies for locating the treasure are not given without specific content from the materials.
Step-by-step explanation:
In “The Thrill of the Chase,” Fenn's advice for treasure seekers includes disregarding information not found in his poem or book, implying the importance of his clues above hearsay or speculation. The provided options A and B are not directly mentioned in his poem or book. Option C about the treasure being buried on a steep mountainside doesn't align with his hints, as Fenn has mentioned that the treasure is not in a dangerous location, which discounts steep terrains. Lastly, Option D serves as a crucial reminder to adhere to the words of Fenn himself, steering searchers away from external sources of misinformation. Therefore, the correct advice to help treasure seekers would likely include D. However, without explicit extracts from Fenn's poem or book, it's difficult to confirm specific geographical pointers or precise strategies for locating the treasure.