What textual evidence indicates the organizational pattern authors use to present information under heading Typical Klondike Stampede?

Textual evidence indicating the organizational pattern authors use to present information under heading Typical Klondike Stampede:

> "The typical Klondike stampede had four phases that followed a fairly consistent pattern:"

This sentence states that there are four phases that can be identified in a typical Klondike stampede, and suggests that the information will be presented in a chronological order. The authors then proceed to describe each of the four phases.