Equestria's inland waterway system delivers goods in the heartland of Equestria. It takes a special kind of sailorpony to deal with the inland waterways and rivers. There are challenges like narrow winding channels, shallow water, sandbars, and high river traffic. Twin Screw is an earth pony mare who happens to be captain of the trip class towboat M/V Mud Apple. This story will be told in 1st person hope ya like it. If you run into terms ya don't know you can ask in the comments.