Final answer:
The question seems to be about a fictional narrative in which a character named Aven starts a collection at Stagecoach Pass. The provided excerpts describe another character named Venters riding through Deception Pass, with no explicit reference to Aven's collection.
Step-by-step explanation:
The collection that Aven started at Stagecoach Pass does not refer to actual historical events or real collections but rather seems to pertain to a fictional narrative, possibly within the context of a literary work. In the given excerpts, which seem to be pulled from a work of fiction, we are introduced to a character named Venters who is riding through a canyon, named Deception Pass, with no clear indication of a collection. The texts describe Venters' exploratory journey through a diverse and rugged landscape, complete with descriptions of the surroundings and his cautious approach. It would appear that the 'collection' Aven started is not explicitly mentioned in the provided text, indicating that it may be a reference within the larger story that these excerpts are part of. Therefore, we can assume that the collection is a fictional element within the narrative.