
Intro: Welcome to our story about Evolution of Mushing. Today, we will be reading our story to you. Our story is about many things including Joe Redington Sr., that section is about Joe Redington working with sled dogs. Another section is about the Serum Run and how mushers and sled dogs had to run in -20 degree weather and lower for a long period of time to get antitoxin to Nulato. The last section we have for you today is about Tools and Trails and how they evolved. This section is about how the sleds have become better and how the trails have become worse.