Final answer:
Dallas's claim about meeting Jerry and the rustlers cannot be conclusively confirmed with the information given, but it suggests a meeting that may be associated with common cowboy events such as rodeos or cattle drives.
Step-by-step explanation:
Dallas claims to have met Jerry and the rustlers at an unspecified location. This encounter is mentioned in a vague context without additional details, making it unclear whether this meeting happened at a rodeo, during a cattle drive, or at another event entirely. From the context provided in the passages, it appears that cowboys, including characters like Dallas, could have met various individuals during rodeos or while working on cattle drives, as these were common activities and events in the cowboy lifestyle. However, without more specific information from the text about the circumstances of Dallas's claim, the option that Dallas met them at a rodeo cannot be conclusively confirmed nor can a direct connection to any other specific event be drawn.