*Tips a Cigar to Cherri before turning back to shrowded to explain his plan for cowboy extinction*
You see, beyond the sublunar sphere lies vast quantities of a substance called aether, a powerful substance that would have many applications were it possible to actually exit the sphere of the sublunar. Since it isn't however, you can still draw upon the motions of the aether to create powerful forces, the most noticeable of which being the tides.
By using a large amount of fireworks in the great plains on each anniversary of America's founding, I will scare away the badgers and groundhogs of the plains, leading to a disruption of aetheric currents. Once I complete my submarine vessel to explore the deep tidal currents, I will be able to create a mathematical relation to the motion of groundhogs and the coming of winter, as well as be able to perfectly predict the movement of cattle. At that point, all one needs is a large amount of waterproof explosives, and cattle can be directed effortlessly without the need for cowboys or the risk of rustling. The plan is perfect.